(may be) because of masturbation and porn,i am having precum and premature ejaculation erection is not an issue because i have morning erection and during porn also erection is rock hard, but when it comes to sex i don't feel arousal , excitement, emotional attachment. I want to havr sex but when ut comes to do i don't feel excitement. orgasm is much stronger during porn/masturbation. please suggest how much time iy will take for cure and would it be permanent solution