People trying to reduce their weight should not only write down what and when they eat or drink each day, but also _______ as well.
A. who they eat with
B. why they are eating
C. where they are eating
D. how much they weigh
This is because some people tend to eat even if they're not hungry, it's a coping mechanism for comfort, and you don't want to do that if you're trying to lose weight.