Likely safety: In an era before clothing and other external protections, it is likely this was just nature's way of pulling your "important" part into closer protection of your body.There is a muscle on either side that actually draws your testicles up and back.The body also doesn't like extra heat loss through external structures.This is similar to why your fingers & toes get so cold in cold weather.
Answered 4/18/2017
727 views
Penis shrink: Vasoconstriction. Nothing to worry about
Answered 4/18/2017
727 views
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