That's a new one for you. [He's surprised. He thought that kind of language was beneath Kaiba. Sure, Kaiba's rude and arrogant, but he never said anything like "kiss my ass" before— that's something Jonouchi would say.]

Ever since I got here, you've been acting strange. You tried to stop me earlier, you called me princess... Now this? [A beat.] Are you alright, Kaiba?

[It's bothering him too much to start on the second letter. Does hell create pod people?]