Interesting Marital Stories 4th Round. How do you handle an unfaithful partner?

Cheating has become almost an every day thing these days, it has almost become a norm in most relationships and for some people it does not even look like a big deal to them anymore.
I have seen Ladies especially African ladies who already have it at the back of their minds that men are not supposed to be faithful and cheating should be a part of their lives.
Although, this is not for every African lady, there are still lots of African ladies who still believe that men should be faithful, so everyone is entitled to their own opinions.

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If you are a person who believes that your partner should be a faithful person and you end up with one who is not faithful, how do you think you can handle a situation like that?
I once heard a story of a young beautiful woman who got married to a man of her dreams, she gave him her all only to discover that the man was cheating on her, it got to the extent that he started even bringing ladies to their home.
He did not stop at cheating on her, he also added beating to it and that point she decided she was no longer going to have it, she decided she was going to walk out of the marriage in one peace before he destroys her, she went back to her father who received her with warm hands after hearing her story, he promised he was not going to watch her have anything to do with that man ever again.

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After some years she meet another promising young man who was more successful that her previous husband, she was not moved by his money, but the fact that hr holds lots of promises and he seemed to love her.
She however got married but she found out that he was also a promiscuous person who could not stop cheating.
At some point she got infected and with pains in her heart she went for treatment and pleaded with her husband to stop this shameful act but he will not listen to her, she also told him to go for treatments but he will not give her a positive response.

Whenever she pays him a surprise visit in the office, she will meet different ladies sitting on his laps and she wondered what she could do to stop him from carrying out this shameful act but nothing she did seem to work.
She decided she was not going to walk out of this marriage like she did to the previous one for the sake of her kids. She promised herself that she will not have anything to do with her husband anymore (sexually), they will both stay in the house and live normally but there won't be any intimacy between them before he infects her with something she will regret for a life time.

What is your opinion about this issue, do you think she made the right decision or the wrong one?
Thanks for reading, have a blessed weekend. I am @tobi.