Jason Kelce says working out is a new rule to follow at homeLauren Leigh Bacho/ Getty ImagesJason Kelce says that his wife asks him to workout three days a week.The retired football player acknowledged that exercising makes him become a 'better person' at home.The Physical Activity Guidelines for Americans recommends that adults exercise for at least 150 minutes weekly.There's a new house rule for retired NFL star Jason Kelce to follow — working out at least three days a week.Kelce said on Friday's episode of "Green Light with Chris Long" that his wife, Kylie Kelce, has "just implemented" the rule."Otherwise, she doesn't want to deal with me," he added.Kelce, who married Kylie in 2018 and has three children with her, recognizes the benefits of exercise."When I've worked out, I am in a great mood.