From Still Life: A Chief Inspector Ganache Novel by Louise Penny:

‘Oh, yes. But they were the ones who got better quite quickly. Because they worked hard at it and genuinely wanted it. The others said they wanted to get better, but I think, and this isn’t popular in psychology circles’ – here she leaned forward and whispered, conspiratorially – ‘I think many people love their problems. Gives them all sorts of excuses for not growing up and getting on with life.’