You shouldn't make people cry.
Jill just lost a swim competition to a girl from another high school.
Jill wants to feel better about losing.
Jill privately tells her friends that she bets the winner takes steroids.
Jill tells the winner that she looks fat and ugly in her swimsuit and the girl starts crying.
Jill's friends say she's probably right so that she'll feel better.
The referee yells at Jill for unsportsmanlike conduct and bans her from the next meet.