Is monogamy a dying concept? Or is it a generational factor? Perhaps younger gay men find it easier to come out, and therefore meet someone and start relationships the traditional way, from puberty. Whereas the elder generation may struggle more due to prejudices growing up.
In the world of gay dating, the three-day rule goes thus: wait three days after your first date before you call or text. It seems simple enough, until you start to think about it.