While waiting for a train or at the bank, most people are looking at their cell phones or smartphones, aren't they? But in places where you can't look at your cell phone or smartphone, such as hospitals, exam venues, or when you have free time at work, what do you do?

While just sitting still, you might end up tapping the desk or start biting your nails... These almost unconscious habits unknowingly reveal a person's character and deep psychology. Let's explore the tendencies of character that a person possesses from these common habits.