I cheated. What do I do? how do you feel from a person on the outside view?

I cheated on my girlfriend with my ex it’s not like I don’t love my current girlfriend I love her with every drop of my heart, love everything about her. We have been arguing a lot but we get through everything. my ex recently came back into my life she knows I have a girlfriend and I told her we can be nothing more but friends.

I can admit I only let her back in knowing she would let me have sex with her with ease now I’m in a situation where I’m hanging out with my ex knowing it’s wrong and it feels wrong but it also feels good at the same time this could be because I did have sex with her twice

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I cheated. What do I do? how do you feel from a person on the outside view?
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