if a girl is about to give me head, how long will it hold to get an erection before my pants come rotten
Best Answer: depends.. I may be a rocket when she opens the candy box... but technicaly about 30-1 min..just taking a guess

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is it conventional for my penis to...

5 second if you are healthy and not having much sex or masturbating.

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I other achieve erections contained by public...

It depends of a boy....