Why do I feel like I really like a girl until I ..?

This is really hurtful to girls, so you need to act like you like them for themselves and not just for . Some guys will ask a gal out for a date on a Saturday night and then masturbate Saturday afternoon just thinking about the forthcoming evening and then decide not to turn up cos they satisfied themselves. You have the reputation of the male race at stake here. Try to be a decent sort.