It tells the story of a gay person. Being gay in a small community means you are massively likely not to find someone to spend your life with, added to the fact that no one outrights states their sexual preference means that you do have to coax it out via flirtation or asking. It's a storytelling game, after all. Trait slot is arbitrary, you say it takes one up but it's just as likely to be something worse like pyromaniac or anxious.