The penis and scrotum can contract involuntarily in reaction to chilly temperatures, nervous or anxious amount and participation in sporting activities.[nine] This decrease of flaccid penis dimension is referred to through the slang expression "shrinkage", resulting from motion via the cremaster muscle mass. A similar phenomenon affects cyclists and https://sexhot20875.blogdun.com/29375337/not-known-details-about-cum-in-mouth