The need to urinate stimulates the production of a chemical that inhibits blood flow out of the of the penis just like arousal does. That is what "morning wood" is. An erection prevents a guy from peeing (unless he concentrates on letting go) and prevents us from peeing when we don't want to.
It doesn't always happen but I have had it happen. It usually only happens when I have to go really badly, though.
Nope, at least not in my case.
Yea. The full bladder causes added pressure on the prostate, resulting in an erection. That's my theory. Lol
ya only in real bad cases like morning wood
The urge to urinate can cause an erection?
I heard this and wasn't sure it was true... If it is what is the reasoning behind this?
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