The only real way is to accept yourself for who you are and not letting things you can't control (e.g. how you look and people's opinions of you) bug you.

Workout

Try to take on responsibilities or activities that you usually wouldnt take part in. In addition to this always cherish your victories or times you were very proud of yourself

watch Neil Strauss's be your best self videos

Erasn masamen wanaw ngr new silferah mn tetekemu balfera mn ageng nbr bileh erasihn teykew

Berasesh metkora kehonk confident mehon kelal nw,leraseh tru gemet yenureh..yan madreg kechalk confidence yemetal

Ery body shut up..y'all referring to what you think makes you confident..bro/sis First thing to building confidence is to know thyself (yourself) , to accept thyself and be thyself...read self developmental books( search @selfhelp on tg) and watch self-dev videos..impact theory is my fav

Like others said accept ur self and when u do something just do the right thing as u seen not for others interest mostly leave ur life that makes u happy and bataly u have to be reader to see the world differently for more info Google mind set Ethiopia personal development