豪厄尔说：“我是一个科学家，心里清楚这无法解释，但它确实有效。”
"I'm a scientist," says Howell. "This doesn't make sense, but there's something there."
但它确实有效，而且便宜、简单，不像其它饮食建议那么繁杂，看起来还那么令人愉快。
It's simple. And unlike so much dietary advice, it seems to be enjoyable too.
老实说，我仍未完全弄懂，为何自我监督这种方法行之有效，但它确实有效，而且对多数人都效果显著。
To be honest, I still don't fully understand why this technique works, but it does, and remarkably well for most people.
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