The penis and scrotum can contract involuntarily in response to chilly temperatures, anxious or nervous degree and participation in athletics.[nine] This lower of flaccid penis dimensions is referred to via the slang term "shrinkage", because of action with the cremaster muscle mass. A similar phenomenon affects cyclists and exercise https://xvideos43197.affiliatblogger.com/81086761/an-unbiased-view-of-threesome