On one level, Farrell has decided that he has no choice but to live with temptation. I ask him if he thinks he is a born addict. “Are you fucking joking me?” he replies. His first obsession was Rice Krispies: dry, no milk, loads of sugar, crunching in his mouth. “They didn’t have Rice Krispies rehab when I was kid. They probably do now.” When he was 12, he ate hot dogs every single day for two months until “his belly was a bullet” and he was ordered off them.