[ Kenren reaches up to scratch the back of his neck unconsciously, though if Hakkai looks it should be clear there isn't any blight or anything of the sort going on. ]

Not really. As for your question, I didn't really notice what was going on until recently... I mean, yeah, there's things going on, but it doesn't seem to be anything serious.

[ That, or Sanzo is really good at repressing his emotions, which he supposes is the case. ]