I'm sorry you're feeling this way. I don't really know what to suggest I'm afraid, but just wanted to say that some of the things I enjoy I am hopeless at, it doesn't stop me enjoying them though!
It is great that you're trying to find things to occupy yourself with. Is there anything that you would *like* to be good at, even if you don't feel you are? If so then maybe just go with it.. teach yourself, find some online tutorials, even register for a class or club. Is there anything you've found enjoyment in in the past?
Good luck, I hope you can find something you do enjoy
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Our greatest glory is not in never falling but in rising up every time we fall.