Kolivan, who has been quiet until now, speaks up. "Is it your shoulder? You should have that cared for properly." Keith rolls his arm, trying to relieve the pain with muscle movements. "It's fine, just a little stiff is all." Kolivan frowns. "Is that the same shoulder that was injured in the trial?" Shit.
Voltron was doing fine without him, they didn't seem to miss him, or care about him. So why should he care about them?