okay so last week me and my boyfriend had sex and the day after his penis hurt realy bad and it still does he went to the doctor and all they told him was that he was going to have to get a operation right undeneath the head of his penis is red and swollen it alomost looks like a smal water balloon wrapped around and tied there i'm really scared did i have anything to do with it? is it a STD? Please help me! The doctor wonts say what's wrong just that he has to get a operation and my friend said that they might have to amputate his penis!!!