He keeps staring at me and taking deep breaths?

Does taking deep breaths signify anything? Like he will look directly in my eyes for a long time and then when I look away, he looks for a bit longer and looks away and when I look back; he's looking down with his eyebrows raised and he takes a deep breath and then looks back at me. He takes them a lot. Is he tired? Annoyed of me? I don't know 😳
He keeps staring at me and taking deep breaths?
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