He frowns. Then shakes his head. "No, not unless we can find another silver one." Meaning something close enough to what they're driving that plate swapping won't raise eyebrows.

She dips her fries. He knows their server is watching and pointedly moves his shake, so she can't dip her fries any more. "Get your own." He says, smirking. "Mine." He can play a part too.