[As a Deadman, Kaito is more than aware of the symptoms of blood loss. He's more than aware that he surpassed his limits by using far too much of his blood in the previous fight.

He's also vaguely aware that this kid-- whoever he is-- bandaged up his wounds and is now trying to keep him from passing out. It's not that he isn't suspicious anymore, because he is.

He just knows he can't afford to refuse his help any longer.

Kaito lifts a hand to take hold of the oxygen mask, concentrating on evening out his breathing to a more normal pace as he does so. He shoots Conan a brief, furtive glance, and says nothing]