People can change. Of course not. She can reach out for help, she can forgive him without staying with him, and she can regain her self-respect. And in doing so, we save ourselves. T here are physiological differences between those who hold grudges and those who are able to let go and forgive.
Anger creates enormous stress that damages the cardiovascular system.
Rage elevates the blood pressure, increases the heart rate, and makes breathing more difficult. The humility, and the courage, that allows some people to let go of slights or betrayals also makes them healthier. Those who find it relatively easy to forgive, in fact, report making fewer visits to the doctor. The stress from unresolved conflicts takes a tremendous toll on our health and may even shorten our lives. There are more families than we can count who harbor anger and sometimes hatred for each other.