Did you just have a massive fight with your friend? Did you fail your English finals? Did your team lose the final match? Did you lose your job? If you answered “yes” to any of the questions, then you’re probably feeling sad and a little depressed, right? In this situation, a supportive friend might tell you to keep your chin up. When they tell you this, they’re showing their support for you, and it’s a way of saying, “Stay strong, you’ll get through this. Don’t let these things affect you too badly.”