Lesson n/ seven from my Masters degree

I am not sure whether this is my naivete, young age and ignorance, or is widespread and applicable for other people. But it was important for me, therefore it might help others.

Whenever you repeatedly engage in a sub optimal behavior, ask yourself: is this a coping mechanism? Turns out I developed a bunch of those to mitigate the stress over the years of university. These habits ate all the free time I had left and most hobbies, but they kept me alive and (relatively) sane.