United Kingdom, Nov. 21 -- Jay Leno is thankful his wife hasn't forgotten him.

The 75-year-old broadcaster was granted conservatorship over his spouse Mavis, 29, last year after she was diagnosed with advanced dementia - which causes a decline in thinking, memory, and reasoning skills - and while caring for her can be tough, he still enjoys their time together.

Speaking on Today, Jay said: "I understand what it is, so you can't blame someone...

"She's not forgetting me. That hasn't happened yet. She seems extremely comfortable now. And she seems happy, and she seems contented. It's actually okay. It's good. I enjoy taking care of her...

"I enjoy her company, like if I'm working on a car, she'd sit over there with a book and read.

"It...