ling ka tayyar na hona toh kahin aap kisi tention, pressure mein toh nahi hain na? yeh samjh lijiey ki sex karnay ke liey bilkul tanav mukt hona zaruri hai : Jis baaray mein aur yaha padh lo : http://lovematters.in/hi/news/4-signs-you-have-erectile-dysfunction