Matt Damon 'Will Always Be There' for Ben Affleck as He Struggles with Addiction: Source

As Ben Affleck seeks treatment for alcohol addiction, his lifelong friend Matt Damon continues to be a big part of his support system.
A source tells PEOPLE the actor, 47, “has and will always be there for Ben.”
“They have been friends for years,” the insider says, adding, “Let’s remember that they each have their own families and careers to deal with.”
A second source confirms to PEOPLE Damon has been involved in supporting Affleck since he entered reha