[At the immediate false name response, Ren raises a half-curled fist to his mouth to politely conceal his (still somewhat obvious) amusement. It's telling, in a way - he's already gotten an idea from Molly that their world isn't the most welcoming to people who look different.]

Oh, so you are one of the ones he mentioned. He called you "special", I think... [Which Ren is starting to understand the euphemistic intent of, considering she brought eyes for everyone to eat.] I mean, he's not difficult at all if you don't have to look after him, we get on really well, you know~? But then, people sometimes think I'm difficult as well, so maybe I'm not the most reliable person to ask...

[Ren says that with the purely innocent tone of someone who can't see at all why people would find him difficult in any way, ever.]