So, to break the worry habit before it breaks you, here is Rule 5: Whenever we are tempted to throw good money after bad in terms of human living, let’s stop and ask ourselves these three Questions: 1. How much does this thing I am worrying about really matter to me? 2. At what point shall I set a “stop-loss” order on this worry -and forget it? 3. Exactly how much shall I pay for this whistle? Have I already paid more than it is worth?