why do i sometimes feel worthless?

Achieving success and obtaining high grades in the study does not depend only on intelligence, but on diligence and eagerness to continuous study and interest in improving study methods and organizing time for it and in order to reach the required academic goals, and it is possible to use the following to reach that:
- Make a study plan that suits your capabilities and abilities and adhere to it well
- Surrounding yourself with a friend who encourages and supports you to remind you of your ability to succeed or help you study together and motivate you
- Take steps to stimulate memory and increase focus, which makes your mind ready to receive information and active for study, such as doing some mental exercises from time to time, such as solving crosswords, getting adequate and regular sleep hours, avoiding unhealthy habits in food, lifestyle, exercise and physical activities to stimulate the brain and stimulate blood circulation within you.
- Put visual expressions in your room that remind you of your goals and aspirations and remain present in front of you to expel laziness or frustration
- Reminding yourself that true success is not giving in to failure, and if you feel failure for a while, this does not mean that you are like this, but rather you must correct the way you think about it and strive to find other means to achieve the matter
- Never pay attention to frustrated people who destroy your personality and aspirations, and distract you from them by practicing hobbies you love.
- Following new patterns in the study, such as linking information, dates and numbers to realistic things that have happened, changing the place of study and making sure to make it full of vitality, or studying loudly or using the blackboard, may increase your study ability or write information during the study, as recording is very useful for memorization.
- Asking for help from the teacher or friends in the event that you feel that you are unable to understand or comprehend
- The necessity to restrict the use of electronics or pay attention to distractions because it is a waste of time
- The necessity of recreation for yourself and the adoption of a relaxing practice of rituals, such as listening to something quiet, making a trip with friends or family, or practicing yoga and relaxation, to renew your mental and physical activity and release your psychological burdens