It's condescending to express someone's mental illness is fake.
Jane is on the cheerleader squad at school and all the girls are gossiping about classmates during lunch.
Jane wants to remain popular among the girls.
Jane changes the topic to boys when one of the girls tries to bring up a classmate's mental health.
Jane brings up a classmate that has been missing school because of mental health issues in a mocking manner.
The girls all follow Jane's lead and spend the rest of lunch discussing boys.
The girls all laugh about it but Jane feels uneasy with guilt and regret for what she said.