Don't really see a problem as you appear to have a dick you say she wants it...no problem. Most guys are looking for a place to put their dick besides in their pants, now is your were complaining about that I could see it as a problem. What your problem is you don't have enough energy to fuck this woman as much as she wants to fuck. This means you need to do something about your health situation to acquire the energy needed to fuck a woman as much as she likes to fuck. Healthier nutrition and maybe daily exercise would help. Please see a health nutritionist, explain your situation to them. They can then prescribe nutrition and exercise routines which will have your situation solved in short order. Please return and let us know how your situation and your life improves. I am sure you will see improvement in short order. Good luck solving your issue.