Mom & Sisters Teach You How to Fuck. You know your mother has something serious to say, but you really didn't see this coming. Apparently your girlfriend told your mom that you had sex & you came really fast. You're so embarrassed, and you can't believe your girlfriend told her, but your mom says it's completely normal & you just need some training. Your cheeks burn bright red as your mother says she told your sisters & they've agreed to help you. Siste...