Explaining how she managed to kick her cocaine habit, the singer Fiona Apple recalled ‘one excruciating night’ she spent trapped in Quentin Tarantino’s home cinema with Paul Thomas Anderson listening to the two Hollywood directors brag competitively, and apparently indefatigably, about their professional achievements. ‘Every addict should just get locked in a private movie theatre with QT and PTA on coke, and they’ll never want to do it again,’ she informed the New Yorker some years later.