Ben Affleckis celebrating 365 days of sobriety.
The actor, who revealed in October that he hadcompleted a 40-day stay at a treatment centerfor his battle with alcoholism, officially marked one year of being sober on Thursday — and according to a source, he’s doing better than ever.
“Ben is in a great place both in his recovery and life,” a source close to Affleck, 47, tells PEOPLE. “He continues to want to be the best father and friend he can be.”
Besides working on his personal recovery, the source said he’s been devoted to his family and friends — especially his ex-wifeJennifer Garnerand their three kids,Violet, 13,Seraphina, 10, andSamuel, 7 — as well as his work commitments.
“He and Jen do amazingly well at co-parenting the children,” the source says. “They have shared a great summer with the kids doing outings, travels, etc. They have a very trusting and special relationship.”
“Ben’s relationship with Jen is strong. She’s really supportive of Ben, and they work very closely on parenting their kids,” the source continues.
“Ben has found balance between his work and home life,” adds the source. “He remains committed to a number of treatment and wellness methods that focus on his health.”
Ben Affleck.Axelle/FilmMagic

Affleckentered rehab for the third timelast year on Aug. 22, after Garner, 47, was seen driving theJustice Leaguestar to a treatment center, PEOPLE confirmed.
He stayed at the center,with only brief breaks to work out at homeand attend business meetings, until October when hebroke his silence about his treatmentin a lengthy statement on Instagram.
“This week I completed a forty-day stay at a treatment center for alcohol addiction and remain in outpatient care,” Affleckrevealed in the Oct. 4 post. “Battling any addiction is a lifelong and difficult struggle.”
“Because of that, one is never really in or out of treatment. It is full-time commitment,” he wrote. “I am fighting for myself and my family.”
Ben Affleck.Ernesto Ruscio/Getty Images

“He is really enjoying his summer with the family,” a source previously told PEOPLE, adding that he and the kids had been spotted everywhere from Disneyland to fun dinners atBarton G.restaurant in Los Angeles.
“Ben was just doting over his kids,” the source said after Affleck’s June dinner outing.
The restaurant is “one of their favoriteplaces to go as a family[and] the kids were hanging on him,” the source added.
source: people.com