How to do I stop putting myself down so much?

why do I,a 14 year old girl have an iq of 122

uhm, it’s the 93 percentile, that’s way above average, so not entirely sure what you’re complaining about?

Well it’s a habit. You know what they say about habits, it takes a few weeks to break them. Honestly I’d suggest a therapist, but if you really will not go see one, consider reading a book called learned optimism by martin seligman, it has a couple of tips. There’s this exercise we did, but I mean it really only worked because I was put on the spot and had to answer, but hey, you can try it and see if it works. The visiting psychologist asked us to imagine someone we loved and who loved us, someone who thought we were great and wonderful. Now, you go sit in a different chair and try to be that person. Sit like they would. Try to get into that mindset. Now, why does that person love you. Why does that person think you’re great. Why does that person believe you’re great to be around. Now list down those qualities. It’s not the same thing asking someone else as it is saying it yourself, because hearing compliments from others doesnt mean much unless you believe it. When you say it out loud, you kinda have to believe it. I still think you should consider therapy. This is simply one of a thousand techniques that therapy would help you work with. Oh and when you write down those things, put them on notecards and stick one to your mirror each week. Read it out loud every time you see it. Try to believe it.