Changes are normal and we must initiate them whenever we notice a need for some, because not all happens naturally, it's great to see that you'll be making a Change regarding your experience in the exam hall, I know how some people can feel entitled and even make you forget things due to their distraction in the hall, so prioritising yourself first is essential.

Changing the habit of eating is also good and it's good to see that you'll be putting that off despite being a last born who's used to getting away with demanding something different from whatever is having.