United Kingdom, Jan. 15 -- Jay Leno says people are "so shocked" he's stayed by his wife's side after her dementia diagnosis.

The 75-year-old former late night talk show host has stood by his wife Mavis - who was diagnosed with advanced dementia in early 2024 - but admitted some people seem surprised he's stuck to his marital vows.

He told the Life Above The Noise With Maria Shriver podcast: "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."

Jay married Mavis, now 79, in 1980 after meeting at the Comedy Store in Los Angeles.

In April 2024, he was granted conservatorship of her, following her diagnosis with the illness - which causes a decline...