sir...meri age 32 year ki hai...mujhe bachpan se hi hand practice ki aadat lag chuki thi..jis karan ab mere penis me hardness bilkull v nahi hai...wo bada v nahi hota...aur kavi kavi bada ho v jata hai toh 5-7 min. me hi flow ho jata hai...mujhe apne ling ko hard aur bada krne ka upaye bataye pllzzz