So, about 20% of college-aged women and 20% of college-aged men enjoy casual sex based on superficial characteristics. They tend to populate bars. Because you mentioned offering to buy women a drink I had, perhaps unfairly, assumed that was your target market.

If you are interested in relationships, those 20% are unlikely to provide them. I think online dating is a much better choice: I know several friends, including married friends, who met on OkCupid.

The problem I have observed is that nerds assume the problem is women. It's like if you're linking in a common library and it's failing to load: what's more likely, that there's a bug in the library that thousands of other people use or that you accidentally linked against the debug version? Someday I'll get around to writing my "How to Hack Dating: an iterative approach to acquiring relationships" book. Lean Startup principles apply surprisingly well.