You shouldn't be with someone who abuses your child.
Matt has been dating Clarissa for a few months when his daughter tells him Clarissa smacks her in the head when he's not around.
Matt wants to respond to his child's accusation.
Matt breaks up with Clarissa and apologizes to his daughter.
Matt tells his daughter that she's being too sensitive and continues dating Clarissa.
Matt's daughter feels safe confiding in her dad and is no longer being hurt.
Matt's daughter feels unloved and loses trust in Matt.