Aftera big bowl of vegetable soup - the best yet - we resist the temptation of a Dracula dessert (fruit ice cream and jam in a pancake) and walk out through the Wolf Room into the dying day.
And people are more likely to break their own rules if they have spent the day resisting temptation: dieters often slip aftera day of self-denial, for example.
What might seem beautiful in its tradition and ritual during the first ballot could easily become cumbersome and annoying after the twentieth ballot, and there will be atemptation to cut corners to save time.
There is always the temptation to leave interest rates low just a bit longer to avoid choking off growth, and after previous downturns the European Central Bank was duly berated on all sides when it moved against a perceived risk of inflation.