It’s hard to know where to begin when talking to Aaron and Sam Taylor-Johnson about their new film, A Million Little Pieces. Do you start with the fact that the film, which they both wrote and produced, Sam directed, and Aaron stars in, is an adaptation of James Frey’s controversial memoir? As in the controversial memoir: the 2003 best-seller about Frey’s time as a 23-year-old addict in rehab for which, it was later found, he fabricated significant, crucial portions.