i ahve a friend who says the tip of his penus is not closed like most people's insted it is always open, he compared it to a fish's lips. Is there something wrong?
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A friend
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The pee-hole at the end of the penis isn't a muscular sphincter like your anus - it doesn't have any muscles at all, and is usually just opened by the pressure of liquid behind it. There are variations in shape, so I suppose it could easily happen that someone could have one that doesn't close.I'd imagine that would make the inside of the urethra more exposed, but if your friend doesn't have any problems with it I suppose nothing's wrong.