So he might have been wrong. This might not be so much amusing as completely awesome. He was getting the vibe that the only reason that Zach had been flirting with his twin was that he couldn't outright hit on him. George vaguely wondered at what point it would be unethical not to reveal that he had the wrong twin.
"Do you even know who you're talking to?" George asked, not without his own secret amusement at the question. "I always have a better idea." The words might be innocent enough if one had seen them written down somewhere, but the tone didn't even approach innocence. Only his twin might have been clueless enough not to pick up on it, and frankly, he wasn't sure if he should check to see if Fred was listening.