SIBLING REVENGE
The desire to "get even" seems to be a part of the human psyche.
It is like the story of a mother who heard her seven-year-old son screaming. She runs into the next room to see what is wrong, and discovers her two-year-old daughter is pulling the hair of her brother. The mother gets the hand of the baby unclenched and says, "You will have to overlook this. Your sister doesn't know what it feels like to have her hair pulled."
The mother goes back into
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