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How many people are there in the world? How many of those people are good at coding? How many are good at music? What about both? I don't think there's that many. Being upset about your lack of talent is like being upset about not winning the lottery — not everyone can be good at everything, and it's perfectly normal and okay to not be as competent as you wished you were. Sometimes dreams don't come true, sometimes you're just plain unlucky. Just because some of your friends can code doesn't mean you have to be able to. You claim that the 'majority' of people your age are better than you at everything, but I'm almost certain you're only specifically looking at the people better than you and comparing yourself to them. And even in the unlikely case that you're in the bottom 10% or whatever of the population with respect to being good at stuff, so what? Is that something you brought about, is it something in your power? Why, then, do you mourn as though you hold yourself responsible? If you tried and failed, you've done all you can do. Success is ultimately not completely in our hands, despite what motivational speakers may like to say. I cannot stress this enough when I say this: It is not your fault, so don't beat yourself up over it.