hi sir/madam, im jimmy. im 24. i have problem of sex. i was doing masturbation when i was 16. im feeling very week now and my semen is very thin now.when ever i think about girl or talking to girls my semen comes out. im feeling very bad. the problem is too much.. kindly help me please. because of this i m getting pimples on my body..how can i solve my sex problem..i cant do sex..my partner is unhappy..how can i increase my sex time..im i also have a problem of nightfall..its 5-6 time in month..when i do sex , in less than minute my semen comes out..no more sex life..any solution for my problem,,please help me…any suggestable medicine..please please..