hello i m a 50 year old black male, I have a problem keeping an erection, and constantly have go pee every 10 to 15 manys when having intercourse, I might go at least 7 times to the rest room before I cum, I have taken Viagra and Cialis, nothing works, please tell me what s wrong. what can do too stop the frequent bathroom visits, and what can I do to keep an erection, by the way I m 5 9 256, I know im over weight, and this could be major problem also. HELP !!