It's normal to have a bad day every now and then, making you feel like the world is against you. You may even wonder if anything in your life will ever go right again. But every bad day contains a lesson to be learned. It can show you that it's time to slow down or make some changes. A bad day can help you gain wisdom you might otherwise have not found. Bad days do cause uncomfortable feelings, but a bad day may also give you a potent means to learn a lot more about yourself.