Another article was published, again interview with David Frankel, this time by NY Times, similar with the previous interview from LA Times:
This included the actors, Mr. Frankel said.
Meryl and Tommy and Steve brought their own experiences and relationships to it. There were lots of little bits where Meryl would say, ‘Oh, my husband’s going to love this,’ or Tommy denying he was anything like his character, while his wife stood behind him rolling her eyes. A lot of it was genuinely personal.