When you go into a building, you want to save everyone but somethings it's not possible, it just isn't. And they are right, decisions have to be made and that's what he did.
And Melinda, she was so worried about the ghost, it looked so much has he was after him and not the "nurse"...
And Joe, poor Joe, opening his heart to the ghost thinking he was his brother and turns out he wasn't... That must have been embarrassing not just to him but to Melinda too.
And Jim, that speech he gave, all those things, it was felt, I liked it. That is a great side of Jim.
And at the end, the ghost was the young self of Nora's patient that she helped. The truth came out and it ended well.
And Jim got his wish, he wanted to explain to the guys family what happened and he did. Those words meant it all.