The Violence of Frank and George

So who was more violent, George or Frank? George was an angry man who yelled at his wife and kids and once beat his daughter Sherry. At the end of the movie George destroys the workmanship (the tennis court) of his estranged wife's lover, not to mention various cars and other property in his path of destruction.

Frank seems like a very gentle fellow, not an intellectual like George. But when George destroys the tennis court, Frank also turns into a very angry violent man. He pulls George from his car and beats him up badly in front of his children even though George makes no resistance. He even kicks George more than once in his genitals. Frank also kicks George's gift to his daughter of a typewriter, a typewriter being George's way of making a living as a writer.

So which man, if either, will Faith stay with? Her badly beaten husband or her lover? Would she stay with Frank now that she has seen how violent he can be - a man who kicks another man in the genitals even when he is down on the ground? A man who has been violent in front of her children to their father?

I've seen this movie many times, but have never been able to answer my own question.