Why People Stick With It
Diets fail when they feel like punishment. 80/20 works because you're not white-knuckling through the week waiting for a cheat day. You know Friday takeout is part of the plan—so you're not secretly snacking out of resentment on Wednesday.
You've already decided that enjoyment has a place. That may reduce the pressure that strict plans often create. Some people find this approach easier to maintain over time, though individual experiences vary and we make no guarantees.
It also cuts down on daily overthinking. Instead of "is this allowed?" you ask something simpler: have I been eating well lately? If yes, enjoy. If not, maybe start with something that actually satisfies you.
No spreadsheet required. Just a honest sense of balance that gets easier with practice.