You're fine: If you get really wild and your testicles are unsupported, they might get bumped around but i've not heard of serious injury. Essentially all men your age entertain themselves this way; you learn about your mind & body to prepare you for adult life & it helps you stay focused on other things. There's no physical danger; if you get an obsession, get with your doctor.
Answered 12/9/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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