A week and a half ago, Ben Affleck and Jennifer Garner were spotted getting cozy and laughing during a paintball game as the couple celebrated their son Samuel’s 13th birthday on March 2.

Garner’s boyfriend, John Miller, didn’t appear thrilled with the photo and was later seen with his ex-wife Caroline Campbell. “John knows nothing is going on between Jen and Ben, but he doesn’t think those photos are a good look and feels it’s disrespectful to their relationship,” a source told Page Six.

Miller allegedly “gave Jen an ultimatum. He doesn’t want to see anything like that again or he has no choice but to walk away. Their growing bond is getting to be a bit much when Ben spends all the holidays with them, like Christmas and Thanksgiving. John feels like a third wheel.”