# If you cannot let the system take the loss without intervening, the size is wrong. CRAFT · https://karlaurel.io/tips/if-you-cannot-sit-through-it-the-size-is-wrong The correct size is the one at which the worst case is genuinely acceptable to you. Set it above that and the override is not a possibility, it is a scheduled event — and once you have overridden, you are no longer running the system you tested.