sentences:  Jack's mother left Chet Hunter with her son due to not being able to cope with her former husband's alcoholism, and eventually she and Chet both remarried after their divorce.Shawn learned about Jack's existence from his father when he was seven years old; he happily wrote to his half-brother in hopes of getting acquainted as brothers.Jack's mother, however, hid Shawn's letters from her son, leaving Shawn to believe that his half-brother turned his back on his paternal family with his mother for years until Jack finds out.