Matt Damon opens up about working with Ben Affleck for the first time since 1997’s 'Good Will Hunting'

The pals newest project, 'The Last Duel,' hits theaters on Oct. 15

Ben Affleck and Matt Damon haven’t worked together on a project since 1997’s "Good Will Hunting" – and while fans may be left scratching their heads as to why, Damon said he isn’t as surprised at the rare occurrence.

Damon, 50, spoke to E! News at the New York City premiere for their upcoming film "The Last Duel," and revealed that he and Affleck "assumed [writing] would be so time-consuming that we'd never be able to do it."

The actor went on to explain that the acting pair just figured they’d "never find the time" to write another script like "Good Will Hunting" but ultimately came to the realization that "If we just work during hours that we could easily carve out, we could get a lot done."

Damon ended up revealing that he and Affleck "wrote it faster than we thought we would."

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Actors Matt Damon and Ben Affleck are working together on a movie for the first time since ‘Good Will Hunting’ in 1997.

Actors Matt Damon and Ben Affleck are working together on a movie for the first time since ‘Good Will Hunting’ in 1997. (Photo by Frazer Harrison/Getty Images)

Affleck also chimed in on the rapport he’s been able to develop with Damon over the course of their lives.

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"I grew up with this guy, I've known him forever. We're from the same world and place, and stayed close and I often think about people who come into this business and there's some challenges that get thrown at you," Affleck explained. "And having somebody to go through it with me and bounce stuff off of has been really helpful."

"You're lucky if you get to do the job you love and luckier if it's with people that you love," he added.

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Back in August, Damon opened up about his pal's romance with Jennifer Lopez and said he has high hopes for the former exes who managed to find their way back to each other.

"Oh man, no one's pulling harder than I am," Damon said on "The Carlos Watson Show," according to People magazine.

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"They're both great," he added. "I just want for their happiness. They seem pretty happy right now."

Affleck and Lopez previously dated from 2002 until 2004 when they broke off their engagement. The two rekindled their romance earlier this year.