You shouldn't mess with other people's toothbrushes.
Serena recently had a huge argument with her sister, Hayley, and is still very upset with her.
Serena wants to vent out her frustrations with Hayley.
Serena tells Hayley she wants to talk about their argument.
Serena uses Hayley's toothbrush to scrub the toilet, then puts it back in its place.
The sisters are able to discuss their feelings and make up without toothbrushes involved.
Hayley gets a mouth infection and needs to visit the hospital.