It's gross to shave your pubes in someone else's bathroom.
Lisa to stop at a friends house after work to get ready for a night out with the girls.
Lisa wants to take a shower before getting dressed.
Lisa takes a quick shower and scrubs the tub when she is done.
Lisa decides to do some personal grooming while she is in the shower.
Lisa's considerate action is noted by her friend.
Lisa grosses out her friend when her pubic hair is found in the unrinsed tub.