Choosing a career can be difficult. To find a career that's going to match your interests, abilities and aptitudes, you need to develop a good understanding of who you are. If you need help, please seek help from parents, teachers, counselors,   and other mentors so they can help you. Remember to make a plan. Sometimes when people are confused about what to do, they do nothing. They decide to just wait and see what "comes along." These people later realize that doing nothing is in itself a choice and that very seldom does anything worthwhile just "come along."
Take control of your life, make a plan, and work hard.