Does anyone else have a little problem with erection blood loss? What i mean is, i rarely last long at biggest size, it needs constant attention and even then itll shrink some. Doesnt matter how horny i am etc as even during a good session of sex my cock can shrink a little or go limp. Not sure whether its a problem, or just because im a "grower"? (for referance im around 5x5 flaccid and 9x7 when it full size). Cock rings do help to an extent, they keep it big for the whole time, but would rather it did it itself!