'Jeopardy!' host Alex Trebek gets emotional over contestant's message of support

Dhruv Gaur answered the Final Jeopardy question with a heartwarming note.

Alex Trebek choked up on "Jeopardy!" Monday after one contestant surprised him with a heartwarming message of support.

He wagered $1,995 and wrote, "What is ... we love you, Alex," using a heart in place of the word "love."

"That's very kind," an emotional Trebek responded.

The question, for those playing along, was Jacob Riis' book, "What is 'How the Other Half Lives'?"

Trebek, 79, revealed in March that he'd been diagnosed with stage 4 pancreatic cancer, and although he responded well to treatment at first, in September he told "Good Morning America" that his doctors had determined that he needed to undergo chemotherapy again.

The disease has taken a toll in more ways than one, he continued. In addition to causing "fatigue" and "excruciating pain," it's thrown him into periods of depression, too.

"When it happened early on I was down on myself," he told "GMA." "I didn't realize how fallible each of us is in his or her own way. … I talk to the audience sometimes and I get teary eyed for no reason. I don't even bother to explain it anymore, I just experience it. I know it's a part of who I am and I just keep going."

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