The penis and scrotum can contract involuntarily in response to chilly temperatures, nervous or anxious degree and participation in athletics.[9] This lessen of flaccid penis sizing is referred to with the slang time period "shrinkage", as a result of action by the cremaster muscle. The identical phenomenon influences cyclists https://beautiful-sex54218.aioblogs.com/82343410/not-known-details-about-cum-in-mouth