[Mordacious]

A vibrator with a wall plug will help keep them home in their own beds, and they can hold a book in their free hand and study while they are at it. Developing a pavlovian conditioned connection between orgasm and study is a good thing.

Sounds like a good plan on the surface, but what happens when the boys catch on and start waving copies of Intro To Non-Euclidean Geometry or Ulysses in their faces?

-"Hey, Brad, how'd your date go last night? You get any conditioned response?"
-"You know it. That biology book works every time."