Before having sex. My boyfriend was aroused and before he stuck it in to my virgina, out of his urithra, a great amount of blood gusted out. He was so overwhelmed with emotion.. He states that this has been happening for the last two weeks. I haven't had sex with him in a month. I went to check for any STD or VD and I was clean. But him on the other hand. He stated that he has kidney stone and they are trying to pass. Could Calculi be the problem? Or does he have an VD?