"Hmm." Vash hums a bit in concern before setting his squirming son down to play with his brother. "They are the most important people in this world."

He pauses. Staring off at a spot on the ground. "And so are you, Knives. I'll do better not to upset you like that again." There's a bit of that brainwashing still lingering. A nervous twitch in his brain that is waiting for a mage to hurt someone he cares about for his 'mistake' of trying to make love with his partner.