you know somebody that well, and people have really responded to seeing that on screen. it’s the look between the lines and thinking, “what did you mean by that?” it’s having a shared history, and bob and i remind each other of that. whenever a character brings something up, it’s very possible it’s not the first time they brought it up. what happened last time they talked about it? was there an argument? did it go well? did it not go well? when you speak to a friend of yours, and you pick what movie to see tonight, you have a shared history about last time you picked a movie. 