[Martin refrains from pointing out that someone made of grass isn't exactly human, either. The boy seems very upset and Martin's still bleeding, and this is all incredibly troubling.]

I'm sorry someone changed you like that. It must be really disconcerting and scary if it's not something you asked for. [He's trying to be understanding here, even if his expression is still a little stern.] Is it... something here that did that to you?

[He's taking the multiple universes thing in stride as much as he can. Given the account of Bernadette Delcour in Dekker's notes about the 'inheritors,' he can sort of understand the shape of how that could be possible. Especially if they're all somehow meeting in a dream.]