Premature ejacultion- when you ejaculate with in a minute or less than that while penetrating without satisfying your partner and yourself. It is treatable at any age. Therapy is divided into two parts- Stop and start method: When you are about to reach orgasm. Stop the stimulation for about seconds and then start it again..Repeat this pattern until you want to ejaculte The Squeeze method: When you are going to ejaculate.At that point partner gently squeezes the end of the penis for several seconds.. then start it again. For drug therapy contact me personally. For size try Jelqing exercise (check on YouTube)