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JoyfulSilence · 46-50, M
Sometimes when I am very relaxed and sleepy I will suddenly get an erection. No sexual thoughts are in my head.
But there may be a reason. I think to get one the blood vessels that drain it have to relax, thus stopping blood from leaving so it collects.
But there may be a reason. I think to get one the blood vessels that drain it have to relax, thus stopping blood from leaving so it collects.