[ Their frown only deepens when he laughs, and normally they'd tense up and close themself off like they usually do, but they have a feeling moving at all will just make this harder for him. So they refrain, but only barely. ]

I'm not a worrywart. [ They just hate impulsive and reckless behavior!! Even though they also have very recently made an extremely impulsive decision that ended badly. ] You're the one worrying about someone immortal that can't feel pain. Even if I was worried about you at some point, at least that makes more logical sense than you worrying about me.