Let's get real.
Much of this anonymous sex, no repeat tricks, can't talk to you in the morning is about being head fucked as a gay man. A deep dislike for oneself. Physch 101 on this one, Baby.
Lots of gay guys / bi guys are afraid to feel / endorse / accept the way they are. They bury all that package in faceless torso pics on the Net, anonymous sex, discreet, paranoia, bi, etc.
If you don't like yourself, it's hard to get other to like you, and nearly impossible to be in a meaningful relationship.
Lots of guys bounce from trick to trick, incapable of "feeling" and embracing who they are.
It's sad, but, the truth.