David Carles and his little brother, Mark Carles, are best friends.

Growing up on Staten Island, the two did everything together. But in 2018, Mark’s life was upended by a cancer diagnosis at the age of 24. A year after that diagnosis, the brothers sat down at StoryCorps in New York City to talk about the ways Mark’s illness has changed their lives.

Top photo: Mark Carles and David Carles at their StoryCorps interview in New York City on November 6th, 2019. By Mia Warren for StoryCorps.
Middle photo: David and Mark Carles at a family wedding in 2002. Courtesy of Mark Carles.
Bottom photo: David Carles’ Tinder profile. Courtesy of David Carles.

Originally aired November 22nd, 2019, on NPR’s Morning Edition.