please do not continue to think you know what is going on his head, or to diagnose him. you cannot predict his thinking. you say you want the abuse to stop - we do that by reporting the abuse to the authorities, taking out a restraining order and adhering to it.
hoping he will leave town is not a plan.
hoping he will never show up again is not a plan.
as the saying goes - silence implies consent. by not taking action, he gets away with bad behavior. you are not the only person he has treated in such a way. nor would your reporting the abuse keep others safe.
but it helps keeps YOU safe. on your own, you are no match for this guy. he will be back. guaran-f'ing-tee it. all the alanon skills in the world will not stop a punch that is thrown at us.