(CNN) Kanye West knows his mother would have loved to see her grandchildren full of energy and enjoying life.

"This would have been the funnest time of her life," he says in a promotional video, "to have those kids running around that house, and being able to, like, go and buy them toys."

The rapper's wife, Kim Kardashian West, tweeted the video clip , which includes her smiling at her husband as he shares a beautiful story about his mother.

Kanye opens up to David Letterman like you've never seen him on My Next Guest, streaming on @Netflix May 31. pic.twitter.com/44HG9skLXV — Kim Kardashian West (@KimKardashian) May 24, 2019

"I remember my mother bought me a bear that was multicolored, and I was very into (Japanese artist) Takashi Murakami at the time of (my) third album, 'Graduation,' so she bought it and she said, 'That kind of feels like Murakami,'" West said. "And then I was sort of like, 'I don't want that -- that ain't no Takashi Murakami bear.'"

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