I hate to play such silly games! anyone pls?

A few months ago, I entered a new environment with many unfamiliar and new faces. Then, I met this guy and it is so coincident that he was from the same school as me and he happens to be my friend's sibling! Such a small world! And not only that, I found that we actually share certain interests and our characters are some or less the same (same horoscope too). Ya, we talked in cl. But he likes someone else in the cl, initially I did not bother much about him. However, after "been with him for sometimes (as in friends), I develop some kind of feelings. I know that he will never like me. What sadden me a little is that I don't know why he does not talk to me much as before. People who don't know us will mistake us as a couple because we look like one but we are not. I guess he wants to keep a distance away from me, is he?