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Know you're unique. For starters, know that you're already different than everyone on the planet. Sure, some people are more different than others, but all of us have a unique set of experiences and characteristics that spell out a different reality than everyone else on Earth. No one else has the same brain you do, the same thoughts you do, and the same reactions as you do. You're different by just being human.
Labels are pretty useless. Even striving to be different isn't something that's truly achievable. A quick change of cultures will show you that people operate differently by default. Instead, accept that you're already unique and work with yourself. Who is you, anyway?