I know what it's like to get SO busy after training that you forget to eat for a few hours. And it's really worth your while to take a moment to consider how you're fuelling after exercise, especially if you have strength or muscle mass goals. Delaying eating after training can make you feel tired and lead to a blood sugar crash 2-3 hours later. This can lead to feeling crappy, craving sweet snacks and eating more than is comfortable for your body.
Sports nutrition is highly nuanced and needs to be individualised for each unique and amazing body. But for simplicity's sake, here are my biggest DOs and DON'Ts on post-workout nutrition!