but she doesn't have the phone number and doesn't know where he lives.
A few days later she killed her sister.
What was her motive for killing her sister?
Don't open it until you answered the question.
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.
Answer: