Whoever this Tetsu person is must think very highly of you. [It's sarcastic, but also amused. The fact that anyone would do it to begin with means they're hoping for that reaction. The reason he likes Ren is because they're both aiming to cause wank wherever they go.] Are you not the person of impeccable character I've been led to believe you are?

[Now he's just being a giant ham. He licks chocolate and red syrup off his fingers, grinning.]