i am facing problem of erectile dysfunction ... erection does not remain constant during sexual intercourse...sexual desire has decreased a lot... ejaculation does not occur soon during sexual intercourse...however it occurs soon during masturbation....skin sensitivity of penis is also decreased...erection length has reduced to half...from 2003 to 2009 i took treatment for depression ...after that i left taking medicines...what should i do?...should i restart depression treatment?...or am i facing these problems because of treatment which i took to cure depression?...i also use to masturbate a lot...right from childhood i have been masturbating...