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The Transitive Property	By : IrenaAdler Category: M through R > NUMB3RS Views: 2661 -:- Recommendations : 0 -:- Currently Reading : 0
Disclaimer: I do not own NUMB3RS, nor any of the characters from it. I do not make any money from the writing of this story.

Chapter List
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Part 3 � An eager learner

David untangled himself and rolled off the bed.� Grabbing a towel from the bathroom, he wiped
his face.

Walking back into the room, he stopped short and watched a
naked Don and Charlie leisurely touching each other.� Don�s hand ran down Charlie�s surprisingly
hairy chest as Charlie�s fingers traced the shape of Don�s mouth.

David�s recently spent cock woke up and began pulsing.� God,
they�re sexy together.

It wasn�t just the illicitness of sex between two brothers,
though that was a big part of it.� The
two men were also both so intense and focused, with immense hidden sexual
depths.� Their bodies were a lovely
contrast in physical build, though similarities occasionally caught the eye.

Charlie looked up and noticed David watching them and
reached out for the towel.� Don rolled
onto his back.� David would have happily
watched the two touch each other for the next hour but
it looked like he was wanted back in the middle.

First David went over to the camera and checked their
suspect.� Looked like the man had fallen
asleep, or else he liked to watch infomercials.�
Oh good, no unpleasant
interruptions.� He gave a silent
thank-you to whoever in the Bureau had authorized the purchase of these pricy
cameras and turned back to the bed.

David climbed onto the bed and into the space the brothers
had created between themselves.� He sat
cross-legged and put one hand on each Eppes chest.� Lifting his hands, he started at the top,
touching both men on their forehead, drawing a finger across their eyebrows,
eyes, nose.�
Every point of similarity sent a thrill through him.� Brothers.� Brothers, brothers, brothers.� He swallowed, his
throat tight with excitement.� Illegal in most places, taboo
in pretty much every society throughout history.� He had explored other sexual taboos in his
life, but none so deep-seated.

David�s hands reached their mouths and, as his fingers were
sucked into both shapely mouths, he forgot about anything other than the men on
the bed with him.� Don�s hand slid down
David�s leg and he sucked hard on David�s right-hand fingers.� On the other side, Charlie was twining his tongue
around David�s left-hand fingers with a slow sensual touch as his hand trailed
up David�s ribs.

David retrieved his fingers from their mouths and drew wet
trails down their necks.� Reaching their
chests, he ran his fingers through their chest hair, amused again by how
Charlie was more furry than Don.�

Both Charlie and Don were lazily watching David�s face as he
drew circles on their chests.� Time to wake you up again.� David smiled and took one nipple in each hand
and began to toy with it.� Dual sucked-in
breaths.� Don�s hand slid over David�s
thigh and brushed a light touch across David�s hardening cock.� Charlie�s hand strained to reach David�s
nearest nipple.� David leaned over
slightly and Charlie gripped David�s left nipple between thumb and forefinger.� He rubbed it as David did his, mirroring
David�s touch, learning as he went.�
David switched to the men�s other nipples and brought them to
hardness.� Charlie was really starting to
get good at that and David leaned into Charlie�s touch.

As if he thought David was forgetting about him, Don began
stroking David�s cock more firmly.�
Pulling his hand back, Don rolled over on his stomach, scooted over, and
buried his face in David�s lap.� Don�s
sensual lips slid over the head of David�s cock and David groaned.� Don returned to the deep throating he�d been
doing earlier before Charlie interrupted and David had to release Charlie�s
nipple for the more solid shape of Charlie�s cock.�� He stroked Charlie almost roughly and his
other hand gripped Don�s hair.

With Don�s throat squeezing his cock, it was hard for David
to think but he better think now before it was too late.� Where
to go from here?� The Eppes brothers
were willing to be directed by him, at least to a point.� Choices, choices.� The possibilities made him dizzy.� He had the sex toys he�d brought, but there
was one thing that he�d regret if it didn�t do it tonight.

David tugged on Don�s hair and Don reluctantly lifted his
head.� David grinned at him.� �That mouth of yours is dangerous, Eppes.�

Grinning back, Don sat up and rolled his neck around on his
shoulders.� David released Charlie�s cock
and climbed off the bed.� David took a
deep breath to restore his equilibrium.�
The Eppes brothers were working him as much as he was them.

He reached over to his bag on the side table and pulled out
lube and a condom.� He rolled the condom
quickly over his hard cock and turned back to the bed.

�Move over, baby,� David said huskily.� �You need fucking.�

Charlie smirked.� �Oh
I do, do I?�

�Yes,� David said, climbing onto the bed and pulling Charlie
close.� �It�s been too long since your
tasty ass got pounded, too long since my hard cock buried deep inside you,
making you whimper and plead for more.�

�Yesss,� Charlie said, his smirk gone to be replaced by
lustful anticipation.

�Tell me what you want, baby,� David demanded.

�Fuck me, David,� Charlie begged.� �Fuck me slow and hard.�

�That�s right, my little slut,� David purred.� �My sweet little math slut, spread yourself
for me.�

Charlie turned over and got to his hands and knees.� His posture was totally open and uninhibited, his face towards Don, his ass in position for
anything David wanted to do to him.

David licked his lips and looked over at Don who�d been
watching and listening.� Don�s eyes were
dark and his hand was on his cock, leisurely stroking.� David smiled, knowing that Don was enjoying
the show, whether he admitted it or not.�

David turned back to Charlie.� �You want my cock inside you, my little
slut?�

Charlie shivered.�
�God, yes, please.�

David squeezed some lube on his index finger.� �Do you think you deserve that?�� David pressed his slick finger against
Charlie�s tight asshole.� �Or maybe I�ll
just fuck you with my fingers until you can�t take anymore and shoot your load
all over the bed.�� David pushed his
finger inside.

Charlie whimpered.�
�Fuck me, please.�

David slid a second finger inside, stretching Charlie
slowly.� �I am fucking you, baby,� he
said, moving his fingers in an unhurried fashion.

�Please, with your cock, please,�
Charlie said, practically wailing.

The anguished plea sent a shiver through David.� �My sweet slut wants it bad.�

�Been too long,� Charlie said, his breath coming fast.� �I want it, I need it.�

David grinned.� What a
long way Charlie had come in such a short time.�
�Okay, baby,� David said soothingly, �I won�t make you wait any more.�

�Please,� Charlie whimpered again.

David got to his knees behind Charlie and pressed his cock
against that waiting asshole.� He pushed
his way slowly inside and Charlie moaned in appreciation.� Charlie�s head dropped down between his
shoulders.� His knees shifted farther
apart, as if he could welcome David even more than he was.

�Yes, my sweet baby,� David said in approval.� �That�s good.�
Oh, that�s good.�

David stroked Charlie�s ass, slow like Charlie liked
it.� He could never get enough of
Charlie�s slim ass.� It might not be as
sexy as Don�s or luscious as Colby�s, but there was just something in the way
it gripped his cock, the way it held off his orgasm until David thought he
would die from the strain.� If he had to
choose just one hole to fuck for the rest of his life, Charlie�s asshole would
be a leading candidate.� Don�s mouth
would be a close second.

Running his palm up and down Charlie�s hips, David looked
over to Don.� Don was watching them, his
eyes hooded, his lips parted.� He was
stroking his cock in perfect rhythm to David�s thrusts.

God, if you could only
feel your brother�s ass � David thought.�
But I�ll happily fuck him for you.

Charlie was also looking at Don.� Shyly, Charlie reached over and touched Don�s
hand.� Don hesitated then let Charlie
replace his hand on his cock.� Charlie
tugged him closer and began to stroke that thick cock from base to head.� Don leaned back, his eyes on Charlie.

Licking his lips, Charlie looked up at Don.� Don swallowed then gave a short nod.� He scooted even closer and Charlie took Don�s
cock into his mouth.� Don threw his head
back and a soft groan escaped his lips.

David�s whole body throbbed at the incredible sight of
Charlie�s curly head bent over his brother�s hard cock.�� David reached down and pulled Charlie�s hair
aside, so he could watch that sensitive mouth slide over Don�s pulsing organ,
see Charlie�s hand pull gently on Don�s balls.

�Damn,� Don gasped.�
�You�re not too bad at that.�

David had to grin.�
�My baby is an enthusiastic learner.�

Don nodded and closed his eyes.� David didn�t think it was to shut out the
view of who was between his legs, but rather to completely enjoy the sensations
Charlie was giving him.

David let go of Charlie�s hair and returned to sliding his
cock in and out of Charlie�s sweet ass.�
He leaned over and took a firm grip on Charlie�s cock.� He wasn�t at all surprised to find Charlie
hard and twitching with the dual arousal of David�s cock in his ass and Don�s
cock in his mouth.� David stroked Charlie�s
cock and Charlie whimpered in gratitude.

For a moment, the room was full of soft gasps, wet slurps, and
the slick sound of lubricant sliding over skin.
�
Abruptly, Don�s eyes flew open.� �Charlie,� Don said, his voice strained.� �You better stop that or �� His voice trailed
off into a moan.�� He tried weakly to
push Charlie away but Charlie would have none of it.� Charlie�s mouth powered up and down Don�s
cock, sucking him as deep as he could.�

�Charlie, you have to � shit
�� Don grabbed hold of Charlie�s hair and slammed his hips upward, plunging
himself even deeper into Charlie�s eager mouth.

David stroked Charlie�s rigid cock in time to Don�s wild
thrusts. Charlie soon shuddered and came, moaning around Don�s cock while his cum
shot over David�s hand and the bed underneath him.�

Before Charlie had stopped, Don moaned and let loose.� Charlie swallowed his cum fervently, like a
thirsty man at a water fountain.� David
watched Charlie�s throat muscles work as he tried to take in all of Don�s
cum.� Some still slid out between
Charlie�s lips and the sight of Don�s cum dripping down Charlie�s chin was the
last straw for David.

David gripped Charlie�s hips and slammed into him, Charlie�s
slim ass welcoming everything that David dished out.� He rode him to orgasm, Charlie grunting with
pleasure, his mouth still around his brother�s cock.� David pounded Charlie up to, through, and
well beyond his orgasm, not wanting to stop.�
Finally David�s cock was too soft and sensitive and David slid out and
collapsed on the bed.

Charlie rolled over and collapsed next to him, laughing with
delight.

David groaned in satisfaction.� �Charlie, baby, you are the sweetest fuck I
have ever had.�� David was looking at Don
when he spoke so noticed the dark look that passed over Don�s face.� He bit back a sigh.� The Eppes boys were ridiculously competitive.

David grinned at Don. �Too bad that ass is nothing to look
at.�

Don smiled sideways.�
�That�s true.�

�Hmph,� Charlie mumbled, but didn�t sound too put out.� He was probably calculating just how many
fucks that would make him better than.� Better take that number and revise it
upwards.� David chuckled to himself.

Don blinked down at Charlie.�
�Umm, Charlie, you�ve got some � on your chin.�

Charlie wiped Don�s cum from his face.� �Not too bad, eh?� he said triumphantly.

�Not too bad at all, Chuck,� Don gave him a slightly dazed
smile.� �Been getting in a lot of
practice, eh?�

�I prefer to think of it as natural acuity.�� Charlie looked smug.

�I see,� Don laughed.
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The Transitive Property