Kris Jenner doesn’t have any plans to retire. The 68-year-old showbiz matriarch has revealed that she’s determined to keep working for as long as possible. During an appearance on the ‘This Life of Mine with James Corden’ podcast, Kris explained: “My mom retired when she was 82 and she talks about her job every single day when we’re together and she will say to me, ‘Oh, my job kept me young and with purpose and with joy.'” Kris believes that working keeps her sharp and she doesn’t have any intention of slowing down anytime soon. She said: “It gives you all sorts of different qualities in your …