Sadly, Hall passing on Ferris Bueller and Duckie hurt Hughes so much that Hall said the two lost touch up until his death in 2009. “It’s one of the saddest things of my life because I loved the guy,” Hall said of losing touch with Hughes. “He was a big brother to me. I spent a lot of personal time with him, I was like his third kid.
https://www.insider.com/anthony-michael-hall-regrets-passing-on-ferris-buellers-day-off-2021-10