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why you said that? even I do not know what you are male or female?

What? I so know what I am talking about. You don't know what you are talking about.

I really know what I'm talking about

What then?

if you want someone to love you, you must know each other first.
i don't know you and you don't know me

What is it?

must know each other, you know?

Really? I are just a one human. I don't know you.