Ill apareciate any responses, but please help

I know I am a smart person, but my doubtness does not let me
How can I start believing more on myself?
How can I be more confident?

First, You should try to think positive thoughts. Then, you should try and pinpoint your achievements. You often see your failures more than the success. Moreover, you should go check the impostor syndrome in ted ed. If you are trying to be more confident in your school choices than you should try to check the information again or try to go back and remember the time you studied the subject assignments you are doing.

Explanation: Can you please give a brainliest?

not quite sure but i think its