Sadly enough there's plenty of ppl pretending to be something/somebody they are not...just to impress or belong.
To be honest doing such a thing is the worst you can do because in the end the truth will come out..and who is gonna trust someone who has lied all along? Pretending to be something/somebody you're not is lying to yourself and it does more harm than it does good.
If ppl don't accept you as you are they are not worthy being your friend...stay true..esp. towards yourself
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