Marcus sat and enjoyed his show during class, enjoying it even more when he found out that the girl was wearing a very tight, skimpy thong. Throughout class he did nothing but watch her and feel his erection strain against his pants. He didn't even notice when class ended until Rachael spoke.<br/><br/>"Science? Sure why not", he said shrugging. "Speaking of which look what I found when I stepped out", he said pulling out the glass vial. "It's an aphrodisiac I found in the science room, no clue who made it, though I have a guess", he said running it under his nose. Even the smell of it made his erection seem to strain even more against his pants.<br/><br/>He put the vial away, "Here, I'll show you to the science room since we're going there anyway", he said shrugging and motioning for her to follow him.