It's important.

[ that's a good enough reason, isn't it? that it's important to him, something precious and beloved, and he doesn't have it in his bag where it should be. especially since it was a gift from wolfwood. it sheds doubt: was the gift just a joke?

if, perhaps, vash was capable of being rational about the plushie, he could explain, but the absence is keenly felt, and he feels thrown off.

he looks away from wolfwood. ]

Can't believe you're upset that we're going back. Tell me why that matters. It's not like you're paying to charge the truck.