If you are hungry and want to try and build more Muscle, then you can move up to the next meal plan. If you aren’t getting enough food you could be leaving some progress on the table. You might find you can lift more etc. it’s never a mistake to change and try things but make sure you stick with something for enough time to see what it can do. I will always tell people. If you are making progress, don’t change anything up cuz it’s working. So I would base your decision on some of these things. It’s hard to give you a simple yes or no