Can you please answer both questions in detail?

Hello, so I have 2 questions. Q.1 Why is it that a man would say to you that you two weren't arguing or having a disagreement when you two obviously were? Q.2 Why is that a man would say to you that there was no emotion behind the disagreement when the next time you saw him he basically ignored you and was pissed off? And you can see his emotions on his face. Please answer these in detail.
Can you please answer both questions in detail?
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