Dear Sir.
My nerve system is soo weak.when i m not having the energy then my hands and legs are shaking.i anable to do the work.i mean happining this below given problem with nerve system my penis not standup in immagination of sex or when i see girl friend but it standup when i sleep with my girl friend only and not stand strongly. I do sex 2 times in a week only.Sperm will come lot. I feel very bad about this sir. Pls suggest me sir what i can do.

Thank you sir.

Regards