I agree with the NoNos of the majority.
About the incest... In theory I could marry my cousin here. So what is incest?
Besides that - if somebody remembers my very old thread about that cousin thing - although it arouses me somehow, I have never been thinking really seriously about coming together.
But if, I´d care very thoroughly for not getting any children.

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If every material thing is gone, my smile and my tears stay left.