reason for violence between the married

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dear all memebers of this site:
due to my great confidence in behavioural therapy,i feel encouraged to write to you to find the explanation for something i could't find a solution for......it's the violence between married men and women..... see ppl i care about that suffer much from this phenomenon ,when love is present part of their relation why is it that the man reaches out for violence to empty his frustration of the outer world,on his poor wife....he claims to love her very much and yet he says that she teases him and he looses control on himself and destrys her precious stuff and hits her ,the wife returns his violence in the same way but to a much lower extent and when it's over ,the husband regrets all he did and asks for forgiveness ,while in one instance they got divorced and then got back together.......the wife's point of view mpressed me,she said that if her husband looses control why is it that he neer destrys his stuff never hurts himself ,can it be a partial loss of control!!!!!!!!!!!!!!!!!the wife is starting to really hate him and it's evident in her talking and actions and she tries to avoid any contact with him,,
i was wondering if the husband suffered from pchysophrenia ,or is it his inferiority complex comparing himself to others and feeling inferior to them and he empties all this to what he sees weaker than him"the wife",...also worth mentioning that his parents suffered from his quick temper and violence too
i would like top receive all your opinions about this case and what u think can be done to help the couple get along better with each other especially that they hve a child .....
thanks in advance