Psychopath test--Gud One!

Psychopath Test:
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> Read this question, come up with an answer and then scroll down to the
> bottom for the result. This is not a trick question. It is as it reads.
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> No one I know has got it right.
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> A woman, while at the funeral of her own mother, met a guy whom she did not
> know. She thought this guy was amazing. She believed him to be her dream
> guy so much, that she fell in love with him right there, but never asked
> for his number and could not find him. A few days later she killed her
> sister.
>
> Question: What is her motive for killing her sister?
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> [Give this some thought before you answer, see answer below]
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> Answer:
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> She was hoping the guy would appear at the funeral again. If you
> answered this correctly, you think like a psychopath. This was a
> test by a famous American Psychologist used to test if one has the same
> mentality as a killer. Many arrested serial killers took part in the test
> and answered the question correctly.
> If you didn't answer the question correctly, good for you.
>
>
> If you got the answer correct, please let me know so I can take you off my
> email list