Wait! Don't tell me! I know this one!!!

[nedslade]

What's "rude" and "not rude" when the basis of an entire conversation is rude. When the simple act of two people even being in communication with one another is rude, how does one decide what is and isn't appropriate to speak of?

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I know a girl, and I hope her cat is okay.
I know a girl who is far away.
I know a girl, but I don't know me.
I know a girl, but does she know me?

I know a girl.
I hope her cat is okay.
She's better without me.
I should go away.