Mulder grins - and even if the rest of him has changed, his smile's mostly the same. Fine, he'll give her this one. "Will you let me look into it with you, Scully?"

At the mention of the amulet, though, his expression grows serious. Leave behind the magic of - well, all of this - and return to humanity? It's hard to imagine right now, being anything other than this strange configuration of plants, unsettled though he might be. Trees live on a different scale from human beings; maybe this shift in species has affected his sense of time. "It's that easy to switch back and forth?"

You know, presuming night terrors are easy.