Vash still does not flinch at the words, nor become angrier, but he does become a little sadder. He watches the dark-haired Independent for a long moment, before nodding and stepping closer.

"Just don't... exhaust yourself??" Quietly also. The reassuances help, though he's still ready for action... because the reassurances also tell him what he has done in the past. Why, nai...

He doesn't sieem likely, that he will answer.