Whenever you take a measure during a moment of strength that guards against your own future self's weakness, you enter into a Ulysses Pact – think throwing away the Oreos when you start your diet.

There is no such thing as a person who is immune to rationalization or pressure. I'm certainly not. Anyone who believes that they will never be tempted is a danger to themselves and the people who rely on them. A belief you can never be tempted or coerced is like a belief that you can never be conned – it makes you more of a mark, not less.