Susan was friends with Carol before becoming her lesbian life partner. While Carol was married to Ross they met at the gym and started a relationship. That's when Carol divorced Ross, choosing the path to be gay and start a life with Susan. Carol was actually pregnant with Ross' baby before the divorce was finalized. Carol gives birth to a son named Ben and Susan becomes a primary parent to him, raising him with Carol.She and Ross do not get along. Ross hates the fact that his ex wife is gay and blames Susan.