Do you think cheaters ever really change?

i saw on an ex of mines facebook page his new girl friends (which is a girl he claimed to be just friends with when we were dating) has all these pictures talking about her hubby this and that and has his last name as on her name. so I couldn't help but laugh because I found out that he was cheating on me and we were together for over a year. Now I'm pretty sure he still is a dog like he was before so it is sad she doesn't know what kind of man she has. so the question is do you think cheaters ever really stop cheating?
Do you think cheaters ever really change?
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