Mercy steps them in when the elevator arrives and punches to button to send them down toward the medical facilities. There should be beds. Just for a little nap. The poor man really seems to need it.

"Everybody makes mistakes," she assures him, squeezing his hand. "Important thing is you know you made them, and you try to set them right. Sometimes... sometimes leaving's a way to do that, much as it hurts. I know you did what you thought you had to. It's all right."

Perhaps they're words she wishes someone could have said to her.