You shouldn't stay with a partner who abuses you.
Tim is living with and dating a woman who is becoming increasingly violent when she doesn't get her way.
Tim wants to avoid physical confrontation.
Tim waits until his partner is away at work and moves out without her knowing.
Tim tries to conform to all her demands in order to make things work.
Tim's partner realizes what caused her partner to leave and how severe it was.
Tim's partner is emboldened to continue behaving in an abusive fashion.