Amy Sussman / Amy Sussman/Getty Images Jay Leno has shared new details about his marriage, opening up about his wife’s dementia diagnosis. Speaking with Maria Shriver on her podcast, Leno, 75, revealed the most surprising ways in which people have reacted to his commitment to his wife, Mavis, 79. “I’ve said this a bunch of times, you take a vow when you get married, and people are stunned … they’re so shocked that you would live up to it,” Leno told Shriver, 70. Read more at The Daily Beast.