You did hold your breath, ma'am

Annabelle:
How'd you know I was bluffing? I didn't do any of my tells. I didn't shuffle my cards, I didn't pull my hair, I didn't even flick my teeth. Maverick:
You held your breath. If you'd been excited, you would have started breathing harder. Annabelle:
I did not. [Looks at the Commodore] Annabelle:
Did I? [Commodore nods] Annabelle:
[Annabelle looks at Angel]
Did I? [Angel nods] Annabelle:
[Annabelle looks at the dealer]
Did I? [the dealer nods] Annabelle:
Well, I'll just pretend I was playin' with someone else's money. Maverick:
That shouldn't be too hard. [Annabelle gets up. Cooper leans toward her] Zane Cooper:
[whispering]
You did hold your breath, ma'am