This reminds me of something my mother told me she aimed for when she ran her catering businesses: she always wanted 1 serving of pie leftover at the end of eve

This reminds me of something my mother told me she aimed for when she ran her catering businesses: she always wanted 1 serving of pie leftover at the end of every day. If she had 0, she ran the risk of turning customers away and losing money. Any more than 1 is excess waste. Having just 1 meant she’d served every possible customer and only “wasted” 1 slice.