Jay Leno filed for conservatorship of his wife of more than four decades, Mavis Leno, in January after she was diagnosed with "advanced dementia" Stephanie Wenger is a TV Writer/Reporter at PEOPLE.

Barry King/FilmMagic Jay Leno's legal journey for conservatorship over his wife Mavis is dependent on a few factors. According to documents obtained by PEOPLE, the former Tonight Show host ...

For Jay Leno, laughter has been the best medicine in coping with wife Mavis’ ongoing battle with dementia. “I still make her laugh every day, and that’s always fun,” Leno, 74, told The Post.