Aw man Spazz...

It's too bad he's so childish about it. But, realize that he's just been rejected. No, he probably doesn't hate you and I really don't think you should ask him if he does. He probably isn't necessarily mad at you either, but he DOES feel rejected and probably needs some time to lick his wounds.

How exactly are you delivering the news that you're not in the mood? Maybe there is something you can change about the way you're saying no...