The one question every woman must have asked herself at some point in life is, "Why hasn't he called?" Asking for a woman's number is the first thing that a guy does when they meet someone new and experience fireworks. And then comes the waiting period for the guy to call. Why do guys have a tendency to ask for a girl's number only to not call? There could be endless thoughts coming to your mind about this. Here are some reasons why the man would be brave enough to ask for your.