I like to have my cake and eat it too
You want to have your fun, but you don’t want to pay the bill. It’s like when you're with someone, you don’t want to be in a real relationship, but you still want them to stick around.
He was with three girls at once, but he still wanted to be with the first one.
She cheated on her boyfriend but still wanted to be his girlfriend.
He kept dating his ex but still called her a loser.