Why does he blushes and looks down when I talk to him (we've had sex three times, he's not my fb)?

What does it mean if he blushes when we talk? He's not my boyfriend but we've had sex three times.
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+1 y
I meant to say boyfriend not fb.
Why does he blushes and looks down when I talk to him (we've had sex three times, he's not my fb)?
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