What Were We Talking About?

When Sam Mendes and Maggie Gyllenhaal had lunch recently in NYC, what do you suppose they were talking about? I hope Maggie was saying "sorry about being such a one-dimensional cartoon in Away We Go -- but you weren't helping, mister man!" What were they talking about? What were we talking about? What are we still talking about? (That actress list fo' sure and also the August: Osage County