IMO clean plates are good!
I plan and shop on a 7-day cycle. The list typically doesn't include anything ready-to-eat so consuming beyond what I prepared for dinner is not an option. If dinner was too light or too heavy I'll make a mental note to adjust next time but I'm not going to waste food.
Lots of: urban hiking, cycling, sprinting
Lots of: fresh meat, seafood, eggs, organs, tubers, starch fruits, vegetables, meat fat, dairy fat, oil fruits
Some: cured meat, dairy protein, sweet fruits, rice, pulses, tree nuts, oil seeds
Minimal: soy, refined proteins, sugar, liquid carbohydrate, grains, refined oils, peanuts