Article continues below advertisementGranger Smith's wife, Amber Smith, recalled the night her husband tried to end his life following the tragic drowning death of their 3-year-old son. "That night my sweet, incredible husband, the wonderful father of my kids, put a cold Glock 9mm into his mouth," Amber, 43, wrote in a book titled The Girl on the Bathroom Floor, which is set to hit shelves on October 14.Article continues below advertisementAmber Smith Speaks Out in New BookSource: MEGAAmber Smith and Granger Smith lost their son in 2019."I cry even typing this," she continued.