Sorry for the delay! Things got crazy after graduation.

I got my first bad review for being a "Shenny" shipper and that threw me off, But! I have almost 200 followers, so as a thank you two chapters in one night!

VERY M! LEMONS (smut?) ! TURN BACK NOW YE FAINT OF HEART. I OWN NOTHING! CAPS LOCK!

The emotional turbulence was a lot like being in a clothes dryer.

Penny watched as Sheldon quieted the boiling water and then placed both of his hands on the counter, facing away from her. Her heart was pounding and the desire she kept trying to push away wouldn't cooperate. Her brain and her body were conflicting and she just needed them to agree.

All she had wanted was to get him to relax and it had been working, until she slipped and fell on his junk. Either the universe was telling them to back off or it was trying to shove them together.

Penny stood from where she had waited on the couch and approached slowly. She could still rectify this if she just pretended nothing was out of the ordinary. The last thing she wanted was Sheldon to be even more awkward around her.

"So, would you like one tea bag or two?" she asked pulling down the mint tea and opening the can.

"Actually, I'm no longer in the mood for tea."

His tone sent a shiver down her spine. What had Amy called that chemical response? She couldn't remember. The slightest touch at her elbow caused her to turn. She caught the look in his eye and the slight part in his lips. It was a look she had seen on guys plenty of times before, but this was different. For some reason she felt both excitement and fear. Like the first drop on a rollercoaster.

"Penny, I would like to propose an experiment similar to yours."

"What –"she had to clear her throat. "What kind of experiment?"

"One that pertains to physiological needs and sense of belonging."

"Does this have to do with Maslow's Hierarchy of Needs?" Penny asked startled that her mind retained the Wikipedia information in this moment.

"Yes," he said looking at her confused. "How did you know that?"

"You mentioned it. I googled it." She responded, pleased that she caught him off guard.

"I see, then you accept the terms?"

"You haven't set any terms."

Another confused look crossed his features and she was getting impatient. She had closed the little distance between them and was waiting for his next move.

"Your right, maybe I should draw up a contract," he attempted to move, but she side stepped into the way.

"Uh, uh," she wagged her finger at him. "No contracts."

"But-"she silenced Sheldon with a finger to his lips.

"It's 'anything can happen Thursday', we don't need a contract. We just let what happens, happen."

Sheldon looked concerned and then somewhat accepting.

"Okay, then we proceed as before. Excellent." He affirmed pulling her to him once again.

For the second time that night she was kissing Sheldon Cooper, but it was somehow more exhilarating. Penny felt hyper-aware of everything, the way his hands lingered on her waist and his height. This feeling was new and scary and wonderful.

She stepped onto her tip-toes putting her hands on his shoulders and deepening the kiss. She brushed her tongue against his and reveled at the feel. The kiss continued tentative and slow until she decided to take a chance and lightly bite his lip. At his moan she knew she was on the right track. She ran a hand behind his neck and let her nails scratch ever so slightly. He responded in turn with his hands lowering and gripping her hips tightly.

Penny felt her stomach tighten as she clutched his shirt with her left hand. Her balance was being compromised as her body shifted focus. They tumbled into the fridge sending various notes and magnets clattering to the floor. Moving away from the noise Penny shifted sideways and towards the hallway almost subconsciously. They collided with Sheldon's door which he swiftly opened with one hand. Off balance she shifted so now Sheldon was leading, though he was stopped by an obstruction.

The bed, of course, that would work for what her libido had in mind, breaking the kiss Penny pushed him gently into a sitting position, then in one swift move she pulled the shirt over her head revealing the yellow bra beneath. She barely caught the half uttered curse he issued before straddling him, effectively returning to the position they'd been in earlier. This time, however, she deliberately made the position a provocative one.

There was a second of hesitation before Penny felt Sheldon's hands on her thigh, then sliding behind her to pull her close. There was something extremely exciting about being the one to elicit this kind of response from the brilliant Dr. Cooper. She kissed him a bit more urgently than she intended, but it was met with an equal response.

The weight of the female body on top of him was driving Sheldon to limits that were being vigorously tested. Several times the logical sector that was still flickering in the back of his mind had come up with protests, but that part of him was no longer a concern. He was beyond getting anywhere in his current state of mind anyway, so why not?

This couldn't get any stranger than it already was.

The only thing that was bothering him was the fact that in his current position he was beginning to feel restrained. Surely there was a better way to accomplish this task. He made a rough calculation and estimated he could achieve a superior position. Sliding his hands firmly under Penny's thighs he leaned back then lifted up, he caught Penny's gasp as she clung to his shoulders, but he focused on setting her back down on the mattress, after all he couldn't support her weight for long.

As he positioned himself over her he caught sight of her breasts once more and that alone proved his theory that this was a much better position, one that would satisfy his intentions. His arms rested on either side of her head and his knees rested between Penny's legs.

"How the hell did you do that?!" he heard Penny demand breathlessly.

"One can accomplish a great many things when one knows physics," he replied matter-of-factly before taking her lips again. He noted that she really excelled at this, but he was sure by the way her breathing hitched when he moved himself against her that he was catching on.

Penny was losing it. That last switch-off had convinced her she had woken up in a parallel universe where Sheldon was good in bed and she was a total a noob. She couldn't remember anyone taking control quite like that. Plus, this new position allowed her to fully feel how hard and ready Sheldon actually was. She wanted so badly to feel him, but didn't know how far she could go before reality came back. She slid her hands down his chest and under his shirt feeling the course hair on his stomach and sliding her hands back up the way they had come. He bit her lip the way she had bit his earlier and she moaned, scratching her nails softly down his chest.

She felt Sheldon shift, now resting on his elbows above her and he broke the kiss burying his head in the crook of her neck. She knew he was losing control and she was right behind him. Her panties were ruined and she had a familiar ache for the most primitive form of contact.

Penny tested her limits again, sliding both hands down to his waistband, then hooking a finger and pulling his pants away from his stomach and letting her right hand drift lower. Sheldon moaned her name in what sounded like a warning, but she ignored it. Curiosity drove her actions and there was no going back anyway. Cupping him in her hand she nearly purred, instead she let a moan escape her lips and suddenly his lips were on hers again.

Penny had pushed any remaining bit of sanity Sheldon had left right off the edge. There was nothing for it now, he had to have her. He felt her hands struggling with his belt and he lost patience. Leaning back on his knees he took in the scene before him. Penny had dropped her hands by her head which gave her the look of a criminal who had just been caught. Her lips and cheeks were flushed and their activities had messed up her hair.

He nearly hesitated in removing his belt. Penny's eyes caught the movement and her own hand moved to her jeans, making quick work of the button and sliding her shorts off. His own hands echoed the task on his own pants. Everything returned to an instinctual blur. She was naked. In his room. He needed this.

Penny reached up and pulled Sheldon to her. No going back. Down the rabbit hole. She felt his lips on hers and her legs moved to embrace him. There was a brief correction and then all at once, mid kiss he slid inside. A half cry-half gasp escaped her as her body moved to accommodate him. It was a good thing she was so turned on or she might have died of shock.

As her body rocked against this new point of pleasure she felt a familiar wave of desire wash over her. Sheldon picked up a rhythm and her mind whirled. Spots filled her vision. Was that her crying out? She was close – how was she close? Clinging to his shoulders, digging in with her nails she gasped as the waves continued.

She felt the familiar increase in speed that meant she wasn't the only one on the brink. It got harder and faster and she let go completely hearing her cries echo against the walls of the bedroom. Her back arched as her orgasm subsided and Sheldon buried himself in one final thrust before collapsing beside her.

Whoa! I have no idea where this stuff comes from in my brain, but I enjoyed it. Next!