Jennifer Garner’s Boyfriend John Miller Has a Surprising Response to Her Close Bond with Ben Affleck

Jennifer Garner and John Miller have kept their romance largely private, but a new report offers rare details about how their relationship works behind the scenes.

The couple has been linked since 2018, and their relationship has reportedly grown stronger over time. But one part of Garner’s life requires a level of trust that not every partner would accept.

Jennifer Garner and Ben Affleck | Source: Getty Images
Jennifer Garner and Ben Affleck | Source: Getty Images

“Jen and John feel like their bond is unbreakable,” the source told Entertainment Tonight (ET). “He’s helped her through so much, and she truly loves him.”

Jennifer Garner attended Apple TV's "The Last Thing He Told Me" Season Two special event in West Hollywood on February 12, 2026. Her relationship with John Miller has remained largely private despite the couple being linked since 2018.  | Source: Getty Images
Jennifer Garner attended Apple TV's "The Last Thing He Told Me" Season Two special event in West Hollywood on February 12, 2026. Her relationship with John Miller has remained largely private despite the couple being linked since 2018. | Source: Getty Images

The source described Miller as “kind, dependable and genuinely solid,” explaining that he is the type of partner someone would want for a sister or close friend.

Jennifer Garner and Ben Affleck were photographed together in Los Angeles on June 2, 2018. The former spouses share three children, and their continued connection as co-parents is part of the family dynamic John Miller reportedly supports. | Source: Getty Images
Jennifer Garner and Ben Affleck were photographed together in Los Angeles on June 2, 2018. The former spouses share three children, and their continued connection as co-parents is part of the family dynamic John Miller reportedly supports. | Source: Getty Images

Garner shares three children with Ben Affleck: Violet, Fin and Samuel. The source said Miller “loves” them while also “respecting their space.”

John Candy | Source: Getty Images
John Candy | Source: Getty Images

The source also said Miller supports Garner’s relationship with Ben Affleck and his continued role in the family.

Jennifer Lopez | Source: Getty Images
Jennifer Lopez | Source: Getty Images

“John is also completely comfortable with Jen spending time with Ben, and there’s never any jealousy,” the source told ET. “Jen has always been clear that she wouldn’t be in a relationship where that wasn’t the case.”

Jennifer Lopez | Source: Getty Images
Jennifer Lopez | Source: Getty Images
Jennifer Garner's Boyfriend John Miller Has a Surprising Response to Her Close Bond with Ben Affleck
Jennifer Garner's Boyfriend John Miller Has a Surprising Response to Her Close Bond with Ben Affleck
Jennifer Garner's Boyfriend John Miller Has a Surprising Response to Her Close Bond with Ben Affleck

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