2. Boyz II Men "I'll Make Love to You" (1994)
We all know about Pavlov's experiments. He would ring a bell, and then bring a dog its food. Ring the bell, here's the food. Ring the bell, here's the food. Bell, food, bell, food. At a certain point, Pavlov noticed that the dog would begin salivating as soon as the bell rang. Well, with this song, women have been classically conditioned to...um...you get the drift.