Correctional facility

Dizzyhead Arlo found this in a paperback copy of The Corrections she bought at a church sale. It reads:

Enid & Alfred, elderly parents
—Denise, age 23
—Gary
—Chip

Gary & Caroline
—Aaron
—Caleb
—Jonah

Gary's anhedonia
Gary's entire life set up as a correction of his father's life
Xmas plans

* * *

There is arithmetic on the back.