How do Chris' family respond to his death?

Chris's mother, Billie, is in a state of shock over Chris's death " . . .Chris's mother, Billie, is in shock over her son's death " . . . weeping as only a mother who has outlived a child can weep, betraying a sense of loss so huge and irreparable that the mind balks at taking its measure." Chris's father feels responsible for Chris becoming unhinged from the world. Carine wishes she could have done more for her brother.