Practice ways to reduce stress, and your teen will be able to follow your lead. Avoid unnecessary worry. Thinking about a problem in order to arrive at a solution can be positive, but constant and unconstructive worry doesn't accomplish anything. It usually just makes situations more stressful. Become better organized.
Plan activities a step at a time so that parts are accomplished.
This gives you more self-esteem and more reasonable deadlines. Recognize the symptoms of stress. When you know you have a problem with stress, try to solve it one step at a time. Part of the problem could be tying to do too much at once. Take it in easy stages.