Help about masturbation after effects of Masturbation!?

I have masturbating for soo many years now!I had no problems before,but now i am feeling that sperm ejaculation is getting too early!i keep awake at nights and sleep too less!there is always slight pain in all my body and i am getting hairy too,hairs are growing on my back.weak eyesight is also a problem that has just started.Am i becoming weak internally?headache is also a problem.what should i do to get my sexual strength back and how to get rid of masturbation?