Don't worry about asking any question. This site is just for you. Relationships are very complex and men are not conditioned to share their feelings. I don't know him but this could be partly to blame. Don't worry yet. Sometimes it takes people awhile to warm up and he may be one of those people. Let him get to know you and then tell him you like when he initiates. You do this very subtly but directly so that he gets the hint. He may have a valid reason such as not being the type to communicate what he is thinking. You may have to get used to men's style of communication which can be less than a women's style. You may try a great book just about this called Mars and Venus on a date. You would love it. He isn't going to spill his true feelings yet. He is feeling you out. Decide if you think it is worth being patient. If it is he may just be behaving like a typical guy.
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