What's the angle?

The Anna Karenina movie is out, folks, with Keira Knightley as Anna,
Joe Wrigth as director, and Tom Stoppard as script author.

"It's an advantage of shredded relationships that you no longer have to care about conventions. Happy families are all alike and will answer the buzzer either immediately, or not at all (if they are too happy right this moment). Every unhappy family is unhappy in its own way, and answers the buzzer as they see fit. I've gotten up now, I've put another kiss on John's forehead to maintain the bond, closed the bedroom door, standing in the kitchen den, and the doorbell has died. Father always rings three times." (Green Eyes, Chapter 27: I charge 100 dollars but am willing to negotiate)

And while we are at it:

"I’m trying," he replies, interrupting himself: "You know," he says, "there's something about casual artistic activity, if that's the word, I'm not talking Shakespeare here but, you know, a Westend play, or off-Broadway, you know, or Spielberg, a lot of it is just context, changing context. A dialogue that worked 50 years ago does not work any longer because people have changed, they talk differently, they're smarter."

"You know that the dialogue in the first Indiana Jones movie was written by Tom Stoppard, even though he is not credited?" I say.

"Yes, he says, "I know."

Souls meet for a split second, but Charles isn't done with his story yet. (Green Eyes, Chapter 7: Tom of Finland)