Courtesy of Joe and Kendra Duggar/ Instagram Tap Here To Add Us Weekly As A Trusted Source Add as a preferred source on Google Joseph Duggar spent part of his time in jail in the gym. "I started working out," Joseph, 31, told wife Kendra Duggar in a phone call from his recent stay at the Washington County Sheriff's Office in Arkansas, according to audio obtained by Us Weekly. "I'm doing my burn bootcamp-style workout now." Joseph further explained that he was staying in a "seven by 11-style" cell and wanted to keep busy.