I do not believe in nymphomania. My current g/f thought she was too, but she just didn't have a good partner. Hey, guys act and can medical question very often, does this mean they are too. Having the sexual desire dose not mean you're a nympho.
Consult "talksexwithsue.Com"
what may be happening here is you may have extra skin cover your clit where it makes it impossible to have a climax.
Check w/ a doctor on this.
Have you experienced a "g" spot climax??
Ask sue about this.