Have you ever felt s ick or had a headache during a test? Have you ever been so worried about something that you can't sleep at night? 1 This worry in your mind can made your body feel bad. You may feel angry, frustrated, scared, or afraid—which can give you a stomachache or a headache. 2 Good or normal stress might happen when you're called to answer a question in class or when you have to give a speech. This kind of stress that can help you to get things better done. 3 But bad stress can happen if the stressful feelings keep going over a long time.  You may not feel well if your parents are fighting, if a family member is sick, if you're having problems at school, or if you're going through anything else that makes you upset every day. 4 5 That means making good decisions about how to spend your time. If you're only dealing with school stuff and have no time to play, you can get stressed. Make sure you keep yourself in mind: Sleep, Exercise , Leisure(休闲),and Food. If you take care of yourself and get enough sleep and food, and if you exercise and leave time for fun stuff, you'll probably be less stressed out! A. However, there are two different kinds of stress. B. Can you tell a kind of stress from another one? C. The best way to keep stress away is to have a balanced life. D. That kind of stress isn't going to help you, and it can actually make you sick. E. Since bad stress is harmful for us, you'd better try to change it into good stress. F. If so, then you know what stress is. Stress is what you feel when you are worried or uncomfortable about something. G. For example, you may do a better job on your test if the stress pushes you to prepare well before the test.