Jennifer Garner's boyfriend, John Miller, is reportedly feeling like a "third wheel" as she gets closer to ex-husband Ben Affleck.

Jennifer Garner's Boyfriend John Miller Feels Like a 'Third Wheel' Around Her and Ex-Husband Ben Affleck: 'It's Hard Not to Feel Jealous'

Jennifer Garner and Ben Affleck have always maintained a strong co-parenting bond, and their friendship has intensified recently

As of late, Ben Affleck has been making headlines, in great part due to aspects of his personal life. The Oscar winner recently settled affairs in the aftermath of his highly publicized divorce from Jennifer Lopez.

Too close for comfort? According to a source, Jennifer Garner’s boyfriend, John Miller, “isn’t thrilled” about how much time she is spending with ex-husband Ben Affleck these days. “[He] knows Ben and Jen have been leaning on each other more than ever lately and have a really close relationship,

Ben Affleck appears to be leaning on his ex-wife and mother of his children, Jennifer Garner, following his split from Jennifer Lopez. An alleged insider close to the couple told Page Six that the former couple have been"spending more time together than ever since they divorced.