Do cheaters deserve toxic partners?

I cheated on my ex by sexting someone else it was a long distance relationship and he wasn't giving me attention, so I did something horrible. I recognize I was wrong he was a good good man, but I can't erase it. I am now getting married to my fiancé been together for 2 years and he is toxic in many ways, and I cry about my ex still, but I want to be married/have children. I feel like I deserve all the toxicity and dont deserve a healthy relationship after what I did and just wondering what you all think about cheaters.

Do cheaters deserve toxic partners?
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