If a girl doesn't give me her number does that mean she isn't interested?

Anonymous
Their is this pretty girl at my gym. She kept staring at me and she smiles when we have eye contact. So I went to talk to her. I tried to get her number but she said maybe. Is she trying just to reject me politely or does she like me?
If a girl doesn't give me her number does that mean she isn't interested?
21 Opinion