Ex wants to get back together after split. I was honest but suspect she lying about details during split. Should I even proceed if I have this doubt?

My ex came over saying how much she missed me, yatta, yatta. We had been BU for almost a month. I knew she went on a couple dates with some new dude she met on some app. Okay here's the issue though, she asked if I had slept with anyone during the split, I said yes. She said that she had only kissed the dude and added a little more unnecessary info to her sentence to where I thought hmm. To elaborate, she said she had kissed some dude, and added he was a bad kisser, then said, he didn't seem to recognize my body language pulling away. Then she says I mean the kiss was really like a peck.

Which how can you deduce he is bad kisser if it was a peck, I'm thinking lol? Frankly I think she bullshitting me. Tben she says I can't believe you slept with someone yatta yatta and i think is trying to use this as a way to make her self seem in better light. Does this sound like she full of shit?

Ex wants to get back together after split. I was honest but suspect she lying about details during split. Should I even proceed if I have this doubt?
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