She is literally taking a breath to let loose on him about how unbelievably stupid he's being, and ask how he could even think it was a good idea, when - well--

"Oh."

Vanya exhales quietly instead, frowning down at him. She saw him, after the crypt - just for a little while, before he disappeared into his room. He looked worse than she'd ever seen any of them after training, afraid and drained and exhausted. She bites the inside of her cheek. Maybe - maybe it's okay.

"You're going to be careful, right?"