Sincerity just suggests that you should do this, which is correct for everyone. If you make friends for the sake of making friends, you can't make true friends. Your desire for such friends shows that you are empty and lonely. To be honest, making friends can't be solved and can't be realized. I suggest you don't think about this problem yet, and try to set yourself a goal that you can achieve and like. If you like painting, you can try to draw cows and exercise your muscles. If you like studying, study hard. No matter what you do, try to do what you love, but stick to it. If you succeed, you will be recognized by the people around you. You are full of confidence and self-love, but don't be arrogant and narcissistic. At this time, you sincerely care about the people around you, and your true friends are just like you.

Also, just be yourself. You should have self-esteem and don't pander to others everywhere.

Look at people thoroughly and see his character clearly. If you like him and have the same topic with him, talk more and you will naturally become friends, but remember that you also have self-esteem and don't post it backwards. Don't be too close even if you are friends.