You might argue, I suppose, that it's all in the mind; that deep down, for all my pretend metropolitan sophistication, I am in fact a pathetic, yoghurtweaving, tree-hugging hippie who so wanted to believe this snake-oil cure would work that it actually did. And if that's the case, that's fine by me. The point is I took the potions in that little green box and now I'm very cured.