Sharehousing requires cooperation, like drying your hair in the laundry so someone else can use the shower and wearing no pants to make spontaneous cock-sucking easier.
You weren't sure how your gf's recent lack of sex drive could be in any way related to the new girl she was babysitting. But you tagged along anyway. She started to strip the girl down in front of you, ignoring your protests. Until finally... "See babe? I