It's bad to wish your ex would overdose.
Tom recently ended his relationship with Kerry after finding out about her drug use, but she's been calling him wanting to get back together.
Tom wants Kerry to stop calling.
Tom tells Kerry their time is over and changes his number.
Tom tells Kerry to pop a bunch of pills and forget his number.
Kerry is unable to call Tom, and they both move on with their lives.
Tom's statement sends Kerry into such a spiral that she does just that and ends up in the hospital.