EXCLUSIVE: Casey Affleck Reflects on How Brother Ben Affected His Career: 'It's Been Exactly What I Wanted'

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Casey Affleck has had a "weird life," but he's thankful for the lessons learned from watching his brother, Ben Affleck, over the years.

ET caught up with the Manchester by the Sea star during the Oscars red carpet on Sunday, where he opened up about how Ben’s rise to stardom affected his own career.

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'It maybe seems hard from the outside but he's had a pretty good time and I've had a weird life," Casey shared with ET's Kevin Frazier and Nancy O’Dell. “I've been out here since I was 17 years old and so I’ve gotten to know lots of actors who have had a lot of success and some failures and some hard times and some success again."

"I've been able to see other people's careers and how they've worked out and it's been an education," the 41-year-old actor continued. "And so I've really enjoyed my career. It's been exactly what I wanted and I feel very blessed and happy with it."

PHOTOS: See All the Stars on the 2017 Oscars Red Carpet

This year's Academy Awards ceremony culminates an epic awards season for Casey, who is nominated for Best Actor.

"This is the last time that we will do some event that is involved with the movie Manchester by the Sea, " he noted.

Last month, Casey won the Best Actor Golden Globe for Manchester by the Sea, and he couldn't help gushing over his co-star, Michelle Williams, during his acceptance speech.

"There's no award that belongs to just one actor," he told the audience. "I wish Michelle could be onstage with me because she made most of it work. She's perfect."

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