You can be whatever you want to be, you just need to believe in yourself! Seriously now, don't give up on everything you've ever wanted, and everything you've already got. There is so much to see and enjoy in life, in the end, all the good things will outweigh the bad, and you will be soooo happy that you carried on with life!
I know it might seem like there is nothing that could make it better right now, and you just want to give up. But give yourself another chance and push yourself to get where you want to be
Like george Eliot said: "It is never too late to be what you might have been"
Believe in yourself!
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Take care