If it makes you feel bad about yourself it's really not a good relationship, that doesn't necessarily means you should break up, you have to talk directly of the problem in order to fix it. Marria...

100% normal, everyone fantasies about other people while in a relationship but it doesn't mean you're gonna cheat on him/her. If you really want to have sex with this other guy maybe you could sugg...

It's not really gay, and anyway it wouldn't matter if it was, would it? Lots of people feel curious about having sexual activity with someone of their own gender and that is ONLY CURIOSITY, it does...