The carefully maintained post-divorce balance between Jennifer Garner and Ben Affleck may have hit a tipping point — and the man caught in the middle is Garner’s longtime boyfriend, businessman John Miller.

According to a report by Page Six, Miller has allegedly issued a quiet but serious ultimatum to Garner following a series of public appearances and intimate moments between the actress and her ex-husband. Though Garner and Affleck’s enduring friendship has long been celebrated as a model of co-parenting, sources say recent interactions have begun to blur personal boundaries — and Miller is no longer comfortable staying silent.

A History of Respect, Now Complicated by Emotion

Garner and Affleck, who share three children — Violet, Seraphina, and Samuel — were married for a decade before finalizing their divorce in 2015. Since then, both have publicly prioritized their children’s well-being, often appearing together at family events. Their cooperation has earned praise for its maturity and mutual respect.

Garner began dating John Miller, the CEO of Cali Group, in 2018. Though their relationship has remained low-profile by Hollywood standards, insiders suggest it has been serious and stable for several years.

Miller has reportedly supported Garner’s close relationship with Affleck in the context of parenting. But recent behavior has shifted the dynamic.

Affection in the Spotlight

Tensions reportedly escalated after photos surfaced of Garner and Affleck showing what some called “unusually affectionate” behavior during a birthday party for their son Samuel on March 2. In one image, Affleck was seen gently holding Garner’s hand. In another, he wrapped his arms around her as she leaned forward to aim a paintball gun at a California park event.

Sources close to the situation say those images sparked real concern for Miller, who allegedly told Garner he didn’t want to witness further physical closeness between her and Affleck. Page Six reports that the businessman made it clear: if similar behavior continues, he may be forced to walk away from the relationship.

“He Feels Like the Third Wheel”

According to insiders, Miller’s frustration isn’t new. Reports earlier this year indicated he had been quietly uncomfortable with the growing frequency and intimacy of Garner and Affleck’s interactions — especially as Affleck’s personal life has undergone major changes.

Affleck finalized his divorce from Jennifer Lopez in early 2025, ending a high-profile marriage that had been under near-constant media scrutiny. In the months since, he’s been seen spending increasing amounts of time with his ex-wife and their children, attending multiple holidays and personal milestones together.

“John Miller knows that Ben and Jen have always been close for the sake of their children,” one source told Page Six. “But when Ben started showing up for every holiday, every weekend, and getting more affectionate, it started to feel like more than just co-parenting. John felt like the third wheel.”

Garner’s Balancing Act

Navigating the emotional complexity of divorce, children, and new love has never been easy — especially under the glare of celebrity culture. For Jennifer Garner, the situation appears increasingly delicate.

Those close to her describe her as deeply committed to her children and respectful of the bond they have with their father. At the same time, her relationship with Miller has reportedly provided her with emotional support and stability for nearly seven years.

Now, sources suggest Garner is weighing how to honor her co-parenting relationship while also respecting the emotional boundaries of her current partner. “She doesn’t want to hurt anyone,” one insider said. “But she may need to draw clearer lines.”

Public Appearances vs Private Realities

While no official statements have been made by any of the parties involved, fans and media observers are paying close attention. The visual closeness between Garner and Affleck has led to speculation about reconciliation — rumors both have consistently denied. Garner, in particular, has emphasized in past interviews that their relationship is built on friendship and mutual parenting, not romance.

Still, for Miller, the optics may speak louder than the intent.

What Comes Next?

There is no indication yet that Garner and Miller are ending their relationship. However, the alleged ultimatum introduces a new layer of pressure. Whether the couple can find common ground may depend on how Garner and Affleck manage their interactions in the public eye going forward.

For now, the quiet strength of Garner’s personal life has been shaken by a very public test of emotional boundaries — and the outcome may hinge not just on what’s said behind closed doors, but what’s seen by the world.

Conclusion

The evolving relationship between Jennifer Garner and Ben Affleck remains a complicated reflection of modern co-parenting. But now, with the emotional well-being of a third party at stake, Garner may be forced to reevaluate how close is too close.

One thing is certain: in a city that thrives on appearances, the reality behind the smiles is often far more nuanced — and far more human.

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