[ Yamato folds his arms. ]

You're doing something by resting. That's rebuilding your strength so that you'll have a decent shot at defending yourself.

[ He knows this... painfully, almost. Sending someone unprepared and then having someone else have to clean up after them... that cost him more than just his father. ]

We don't need more casualties. What if you get in trouble, and someone dies trying to save you instead? That's not good.