[Keith throws his hands up in a more evident cue to his frustration than he usually gives. Exhaustion makes him louder, more candid, more easily disrupted.]

You're not the one who got kicked out of the garrison.

[Well shit. That's not--- that's not what he wanted to say. This is officially in not-okay territory and he sets his shoulders. Of all the people and all the conversations, he had to bring up that while Shiro wants him to tell the others he can't sleep because he's weak and dumb and a screw-up.]

I'll just... [His voice is much quieter now, vulnerable and raw.] I'll leave. If it's best for the team and the universe, I'll leave.

[The cause is too important to let one screw-up ruin it.]