My fiancé and I met when we were 16. We have been together for six years now and are about to get married. This past year, we would try to have sex, and he woulod go limp after a while in the middle. Now its "everytime" we have sex he goes limp. And I try to do things to help him but it's becoming very frustrating because I feel like maybe he's not satified with me anymore and worried because if its like this before we get married, what will it be like after. Is he bored? Not attracted to me? Or maybe even cheating? I don't know but need help. I ask him what's wrong he says he doesn't know. He has even recently cried about it because it frustrates us both.

Sometimes guys get overly excited about sex, and they can't usually get it up. After that long I don't know what the cause is. I would say he is still attracted to you, but he is probably stressed and can't stay focused!

You could look into the physical health of your boyfriend.

There are plenty of things in modern lifestyles which make sexual relations not all they can be.

High blood pressure/low blood pressure/diabetes/high cholesterol/too much fat in the diet/too much of anything in the diet.

I would look into the medical first.

If you want relations with this person for the rest of your life(marriage)look into the rest of his physical well being,what do you have to lose besides the removal of doubt.

I think he might be too young to have some of the bigger of the male ED problems(health wise) but emotional and medical aspects might be a good starting point.

Don't put blame on yourself,doubts like this can cause more problems than they solve.

Your concern for him has to take precedent to the beating up of yourself.