I've had flings with 3 woman now in the past year in between other dates and one night stands. Two of them have blocked me and one says she doesn't want to hang out anymore.

I met these girls at bars/out drinking.

I guess I want to know if having flings with people a normal part of trying to date. Is it like pickup where it's a number game? I feel like I'm doing something wrong since I can't hold onto any of these girls and end up having communication cut eventually.