Reprints of short stories in the Ender's Game series can be found in other science fiction anthologies.
This story is the original Ender's Game novelette which Card published in the August 1977 issue of Analog Science Fiction and Fact.
This is the story of how John Paul Wiggin first meets and falls in love with his future wife Theresa Brown.
As he grew older Bonito started to observe his family and discovered that they needed him to be happy, so he decided not to go to Battle School.
However, while studying his parents to find out how to make them happier, he discovered that his father kept a second apartment in the city and told his mother.
The story is told from Dabeet Ochoa's point of view as he, Ender, and Valentine work to solve a murder mystery on the planet Catalunya.