I mean.. a lot of people assume they want to find someone like themselves, but often people who are similar can clash. they say opposites attracts, like magnets.. This of course isn't true, unless you're talking about magnets, but the saying does hold some form of weight. I would hate to be with someone who was exactly like me. You both want to bring qualities to each other, if you have nothing to bring then what's the point?
I think it would be good to talk to him, just to see where his head is at. I mean, we can only guess the situation from the information you've provided but i would be too honest about how you think about him. Keep some cards to your chest.