Probably just over thinking but

My bf told me the next time we see each other he just wants to cuddle. A lot of the time when we see each other we have sex and I am usually the one to make the moves because he really never has. Does he just want to cuddle? Is there maybe someone else? I'm also pregnant and probably just over thinking it all. I don't know, but this isn't the first time he has said this to me.