Oprah Winfrey “doesn’t ever” think of herself as old. The 70-year-old media mogul has seen a change in attitudes from other people since she entered her sixties, but she doesn’t consider her advancing years very often herself. Speaking with friend Gayle King and Melinda Gates on the philanthropist’s ‘Moments That Makes Us’ podcast, Oprah said: “I never refer to myself as old and I hear lots of people saying that. I don’t even think of myself that way. I was struck by the number 60. I noticed that I would be introduced, even online or in a newspaper, and they would say ’60-year-old Oprah Winfre…