 In Season 9, when Bones receives a $75,000 advanced check from her book sales and asks Booth what he wants to do with it, he opts to donate it to the Wounded Warrior Project, a charity for injured veterans.In season 12, while working a case involving his former Army buddies, Booth admits to Bones that he had been lucky and was only able to move on with her support.Booth had a gambling problem which developed as a coping mechanism after leaving the military.