Clementine's mouth forms a thinner line.

"I'm never silly, and I've never seen a pony with hands." ...that's not completely true: never being silly. There's the disco broccoli with AJ and the whole 'I'm a ninja too' with Louis and also, AJ. She built up a silly portion of herself that she thought had been destroyed so AJ might be happier in the shitty world they were living in, but her point is she wouldn't be silly about something like this. "Listen an Event or something's going on so you're probably not going to believe me."