For some people, sex is a very intimate and special bond. And then for a lot of people on Reddit, it's something you do to help out a friend—that was one of the many, diverse reasons that people shared as the tipping point for why they decided to have sex (always with a willing partner) in response to the question, "What's the worst reason you had sex with someone?" From the many given explanations, here are the 19 best thought processes that make a lot of sense when you think about what's at stake (sex, good TV, etc).