Article in English: There are 4 stages of change according to the Transtheoretical Model of behavior change. Identifying which stage you are in can help you determine whether you are ready to make a change or if you need more motivation.   Pre-contemplation stage: This stage is when there is a problem but you are not aware of it or you are denying it. Nobody is perfect; everyone has flaws and needs to constantly work on them. If you don't admit your flaws courageously, you would block any possibility of improvement,  Contemplation: You are aware of a problem and are contemplating changing it. People can become stuck on this step for a long time until they move on. You may be in this stage if you are still deciding what to change about yourself. Or maybe you are afraid of change; in that case, understand that changing is an essential part of growth which you should embrace.  Preparation: You have committed to change and are making a plan of action. You may be in this stage if you are working on your goals.  Action: Making the changes. You are in this stage if you are working on your plan on a daily basis. You have a plan and are currently moving toward your goal.  Maintenance: You have completed your goal and are maintaining your progress. Self-coaching or checking in with yourself on a daily basis has been linked to increases in self-improvement, especially in terms of leadership qualities. Daily check-ins facilitate awareness of your current performance and your ability to achieve goals.  Ask yourself questions like, “Did I focus on or work toward my goals today? Did I have a positive attitude today? Was I kind to myself today? Did I accept my challenges today? Did I change something for the better today?” Whatever it is that you're trying to improve, take time to practice regularly. If you find that self-coaching is not helping and you need some outside support, life-coaching has been associated with positive change, and goal-realization. Additionally, therapists and psychologists are typically trained in interventions to...

Summary in Vietnamese:
Cần chắc rằng bạn đã sẵn sàng thay đổi. Hãy là huấn luyện viên của chính bạn. Nhờ đến sự giúp đỡ từ bên ngoài. Không ngừng luyện tập!