excitation of the sympathetic nervous system coupled with keeping your company will associate you with endogenous opiates. get the two of you into strenous situations: going for walks, getting chased by animals, riding fucked up roller coasters, getting a third guy to pull a knife at the two of you.
>>4
This, and then when you know everything you'll need to get a date try 2's knife guy, and learn some karate techniques to make it look good; but make sure you act like it was no big deal to defeat him.