A long Way down 3

I think one very important scene is when they're all on top of the building and the other man they dont know come up. He goes to jump and they try to talk him out of it but he jumps anyway. I think think this puts a image in their heads that once you jump theres no way of changing your mind or making wrong things right. Yes, if they jump all the wrongs will be gone but then your life is over and there is no way of changing that.