Guy's Behavior

Do you guys think the feelings are mutual?

I wasn't looking at my crush because I didn't hear what he said to me since I was busy working on my computer so he reacted to this by saying to a coworker in a sarcastic tone that, 'she'll look behind but she won't look at us'. He was pretty serious when he said this though. Before this, I unintentionally ignored him once. I feel like he got offended because I wasn't paying attention to him. Could this be true? We often lock eyes for several seconds and he smiles at me so I feel like the feelings are mutual. He is also extremely polite with me generally and remembers things I say to him.

Do you guys think the feelings are mutual?
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