<s>[INST] I M 28 Years Old,wt is 73 kg,ht is 5 feet 10 inch,a student of masters.I m going to marry in the next year.bt i m very much worried of my penis size.it is 4 inch during erection & the diameter is 3.75 inch.on top of that  i m extremely habituated with masturbation.and yet now it is 2-3 times in a week.semen amount is 2-3 ml per ejaculation.now i  m worried Whether my penis will b able to satisfy my life partner During sexual intercorse & whether it is possible on my part to become father????is there any medication or advice to increase the length and diameter of my penis??would u pls give me ur valuable suggestion to get relief of my extreme anxiety and tension??? [/INST] Hello, Please understand there are no successful measures to increase the penis size except reconstructive surgery even that may not be a success. Therefore please be satisfied with your current penis size. The 4-inch erect penis is more than sufficient for any sexual intercourse. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. K. V. Anand, Psychologist </s>