You ever felt like you were justified for cheating on someone?

We all know cheating is wrong but is it wrong if your partner is treating you like shit , and disrespecting you and belittling you , making you feel like nothing you do is good enough , they with hold intimacy and affection from you and treat you like they are using you. So you end up meeting someone else that treats you way better than your partner does , and you end up having sex with them , and then you end your relationship immediately after doing so. To me I don’t consider that cheating if you end your relationship immediately after you screwed someone else , it’s only cheating if you go back to your partner like nothing happened. So do you think you are justified for doing so?
You ever felt like you were justified for cheating on someone?
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