Dear Doctor, I am 28 years old male from chennai, tamil nadu and I got married about a year and we are planning for a baby now only. I have a problem that my penis are not much stronger for a long time and facing difficulty in inserting into the vagina of my partner. can you please suggest me if I can take any pills and how long should i take, how many pills should i take a day and befor or after food. Please suggest me doctor it will be a great thankful to you. yours sincerly vinodh