Sex
You look at the little bottle of syrup skeptically. "What is this stuff again?" "It's a hormone," your roommate says. "Obviously it's a little more complicated than that, but that's the gist of it. A little something me and some of the med school guys whipped up in our spare time. Forget what it is - here's what it does. It boosts your pheromone output to about fifty times normal levels." "So it'll make me stink? How can I ever repay you?" "No! Now listen. You drink this tonight, before going...