It wasn't her it was my s*ster, with a huge naughty grin on her face.I was in bed in my pyjamas, the duvet pulled high and defensive, she in her dress...ng gown, long warm , slippers on her feet.She put the drink by my bed and sat on the bed room chair by my bed. Starring at me , slightly red in her face, breathing quickly, time passed we looked at each other , the fear returned."Your chocolates going cold " ok thanks" i said taking it and sipping it, eyes avoiding hers..what was going to. The posting had gone out across the college for female volunteers to participate in a biology study affecting human sexuality. It was a paid study, so there were many more girls signing up than positions needed, and Mrs. Robinson was able to select only the hottest co-eds on campus.The more the beautiful girls went in and out, wearing skimpy clothing and flashing some skin, the more I felt my blood simmering. More than once, one of the co-eds would glance at me, startled, then scurry away as if. “Well, I'll give you a call this week, Allyson. I'm going to head home now. Have a good weekend.”“Thanks …. Are you walking home?”“Yeah my car is in the shop right now.”“Can I give you a ride?”That smile again. “Yeah that'd be great. Thank you.”They made more small talk on the drive to Michael's apartment. She caught him checking out her breasts, which were accentuated by the seatbelt tight between them. It gave her a little thrill. She snuck a peak at his crotch but was disappointed that his. ”“Oh that’s cool.” I faked a little smile. “So ummm…”My mind raced to think of something to say.“Do you like 0.5 mm pencil leads more or 0.7 mm ones.”She clutched my hand.“I’m gonna pretend you didn’t just ask me what type of pencil lead I like.”She was no longer holding the bottle. Her hand had creeped up my arm and to my shoulder. Sarah gently grasped my chin and tilted my head to meet her gaze.This must be a dreamI felt her soft lips on mine. Her breath had a sweet scent of alcohol. I was.