first of all i heard that the skin attaching a f******n and glans is called a frenelum or w/e but, i heard its normal and my question is, is it supposed to detach after a while? or is it supposed to stay on? because when masturbating and such, i can't get the f******n to retract so it isnt as flexible. i heard in some places its supposed to stay, but even so my f******n can't go over my glans when erect, if there are stretching excersises, am i suppoesd to do them while erect?
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