Is this the price you pay?

Sex is actually a terrible way to determine your true feelings for a past relationship. It's like if you went on a diet and lost 15 pounds, and someone said offered you a piece of cake. If you ate it, you would think that you loved your life before your diet. But you wouldn't realize that cake was just the best part of not being on a diet, you didn't have to experience the extra weight gain at the time you made the decision. It's the same with sex. We're humans, we love sex. As a general rule, it's enjoyable. So when you have sex with someone, you're likely to have strong feelings for them based on it. But then if you were in a relationship, there would be a million other factors influencing whether you still had feelings for them, and sex wouldn't be an indicator of that at all.

Though it may be nice, old feelings may resurface and someone could get hurt. I recently did that and he moved on with someone else and I am devastated again. Be very careful when " hooking up" with an ex. It may be comfortable to be with someone that you once had feelings for but it could lead to expectations that don't get met. If you do do it, be very careful and make sure you don't want him back and he doesn't want you back, otherwise someone is going to get hurt.