It's a popular belief that if you really like someone, you withhold sex longer than you would with someone you're just semi-interested in. As weird as it sounds, it makes sense. You don't want your crush to think you're easy and you want to make sure he keeps coming back for more. While many people follow this rule, it doesn't necessarily mean that your relationship is doomed if you give it up too soon. So ladies, since we all have different beliefs, what I want to know is do you wait as long as possible to have sex with a guy you really like, or do you just do it when it feels right, no matter how long you've been dating?