Originally Posted by
carl1222
I think you may have answered your own question when you said "I've just been thinking about him a lot and I dont want to get too attached"
You say that he's exactly your physical type, so you should be attracted to and physically excited by the sexual intimacy. At least that's how it works with straight guys, I assume it's no different for gay guys.
Is there some reason that you have a protective wall built up to avoid the risk of being hurt? It is indeed scary to imagine the pain you may have to go through if things don't work out, but for most, that wall is not so high that it cancels out physical attraction completely! Sounds like you see this guy as too attractive, and it's making you jump ahead to the anticipation of a breakup.
Carl.