It sounds like from your post that you guys were close friends before, and now he may just be weirded out by your feelings now. It doesnt mean he doesn't feel the same way, he may just be not sure how to verbalize. Do you think u'd be comfortable with talking to him about it? Even if you write down what you are going to say beforehand, to help you sort out your thoughts.

(Dont apologize for posting....we are all on this website for a variety of reasons, but we all have the same goal in mind-we need support!)