Macros are pretty stable though. A week old veggie has less vitamins than a fresh one, but the carbs are pretty unchanged. Trying to measure and weigh for micro nutrients seems doomed though.

As a way of life, weighing and counting macros also seems pretty doomed to because it's just so much work, but it's very doable for a few days to realign your view of what an appropriate amount of food is, if you're diligent and mindful enough to not have a soda or a snack without thinking