Just like cheating changes things, can getting hit also permanently altered a relationship or marriage?

Meanwhile my parents never cheated on each other (not that I know of), there used to be violence during arguments in the entire marriage. I used to witnessed most of the episodes as a kid. For years, my mother was verbal but my father was always the first to hit. He turned a verbal argument into a physical fight. She hit back once but he had the nerve to retaliate against a hit back, basically a hypocrite.

Then many years later, the tables turned and it was my mother doing the hitting sometimes and him only verbal, not retaliating anymore.. walking away. She broke the doorknob once. My father is much older by now, is forever on high blood pressure medicines (all that anger from those fights) and is told he can't react too much. My mother obviously felt no guilt for hitting him either. She was actually enjoying that revenge. She doesn't love him either... I can't blame her. Who would?

Needless to say I can't ever imagine being in a relationship, much less marriage like that. Just like when you cheat on someone, it changes everything and they will never see you the same... can that also be applied to getting hit?

Updates
1 y
The only type of ''hitting'' my boyfriend and I do is during sparring in martial arts, not in anger.
At the present moment things got settled and they're not getting along better but yes sometimes my mother throws it in his face the ''you used to hit me, you're not that great, whatever''.
Updates
1 y
they're now getting along better
So just like cheating, once violence is introduced... they obviously don't ever see you the same. They have already lowered their standards by staying with you after hitting them.
Just like cheating changes things, can getting hit also permanently altered a relationship or marriage?
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