Just found this article.. Do you think it’s true? And do you bite your nails ?
From the article ;
”Do you bite your nails? Then you are probably a perfectionist.
Things like boredom, frustration and impatience can trigger the bad habits like nail biting, according to a study at the University of Montreal. Do you suffer from boredom is the risk namely large that you find it difficult to relax and this makes you dissatisfied, which in turn makes you bite your nails.”
You can find the article HERE