Since going no sugar Jan. 22 and keto in March, I’ve had one small cheat day (about 50 carbs), one big day (my birthday, 3 slices cake), and one cheat long weekend (Labor Day…a LOT of carbs). I think that’s about it but there were other days that I likely went over 20 carbs, or ate a ton of keto food, but I didn’t consider those cheat days.
Edit to add: the only one of those I regret is the three-day weekend, and even that, I don’t feel that bad about because I had planned for it, but what I didn’t like was the out of control binge-y feeling I had.