If you dream you are aware. If you hurt you are aware. If one has has one thought, a concious, aware thought, that is proof of existance - even if that existance is purely mental and has no physical entiity. "I" is the awareness capable of thoughts I experience.
Please don't try and tell me you can be aware and not exist. That is a contradiction. You cannot "do" "have" or "feel" anything if you are nothing, and I cannot believe I am writing this! AAAARRRRGGG!
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I am the walrus!.... er, no hang on....
A fair dinkum laughing Hyena!