[McCoy didn't want to admit how tempting the offer was to just storm out. It wasn't like Jim hadn't set the precedent of leaving like he had a few days ago and god knew McCoy had set a precedent in his own life for running in such matters. Despite that, despite the anger every thing he knew of Kirk told him that leaving was probably the worst thing he could do for the other man.

He stood in place, glaring down at the man, arms crossing then lowering before his expression turned less sharp at the edges, more simply ragged and tired.] You should have taken someone with you- me or Uhura or that damned Spock. Why the hell didn't you? We're your crew Jim, you need to trust us.