There is nothing new here in the advice – eat more veg, drink less caffeine and more water etc. However, I do like the way it’s written, which seems to resonate more than most of these features do.
The advice to include dark chocolate (70% or more) every day, because it means you have a ‘treat’ but it’s actually of some nutritious benefit and it focuses on ‘me time’. Meaning you have to stop what you’re doing for a few minutes. There are other useful tips and explanations which could work for you, to make that day a little healthier (without being too hard, dull or unrealistic). Have a read here.