A larger number of training examples improves the accuracy of these rules. (slaw.ca)
In the morning training example, breakfast should be a lot smaller than the rest of the meals, something like 20 % of your calories / macros. (getfitjourney.com)
In the afternoon training example, it's recommended to have a small snack just after training since the dinner is a few hours away. (getfitjourney.com)