AITA for refusing to work with my ex on disciplining our kids in front of his and his wife’s families?

A mom picked up her kids from a big family gathering at her ex’s parents’ house and walked straight into drama. Her ex pulled her aside to demand she enforce a two-week punishment because their 13-year-old son and 11-year-old daughter refused to treat his new wife like their mom during a game.

The kids have been clear for years—they see their dad’s wife as just that, not a second mother. When adults pushed a “moms and kids” team-up, the children pushed back, saying she isn’t their real mom and even rolling their eyes when she cried. Now the ex is furious that she won’t back his grounding, claiming it made his wife look bad in front of both families.

‘AITA for refusing to work with my ex on disciplining our kids in front of his and his wife’s families?’

The co-parenting setup has been mostly civil but distant since the divorce nine years ago:

The incident happened during a large family gathering with both sides present:

The trigger was a game that forced a mother-child dynamic:

Things escalated when the kids stood their ground:

The ex demanded unified punishment across households:

Forcing children to accept a stepparent as a “mom” or “dad” rarely works and often backfires. Kids from divorce already navigate complex loyalties, and pushing labels they reject can breed resentment toward both the stepparent and the biological parent doing the pushing.

Family therapist Carla Marie Manly, Ph.D., notes: “Children should never be forced to call a stepparent ‘mom’ or ‘dad’—it’s essential to respect their emotional timeline and boundaries” (source: Psychology Today article on blended families). Here, the game itself put the kids in an uncomfortable spot, essentially demanding they perform a mother-child bond publicly.

The stepmom’s tears and the demand for “acts of kindness” shift focus from the children’s valid feelings to adult discomfort. Punishing kids for stating a factual boundary—”she’s not my mom”—teaches them their emotions don’t matter. A healthier approach would be private conversations respecting everyone’s role without titles.

Finally, co-parents don’t have to mirror every discipline choice, especially when it involves emotional authenticity. The mom here protected her kids’ right to their feelings, which strengthens trust long-term.

Here’s what Redditors had to say:

Everyone firmly declared the mom not the asshole, praising her for backing her children’s boundaries:

This showdown at a family BBQ shows the tricky tightrope of blended families—kids can’t be forced to swap loyalties or pretend feelings that aren’t there. The mom stood firm on her children’s right to their truth, even under pressure from glaring relatives.

The online crowd unanimously cheered her on, warning that punishment would only widen the gap. Have you navigated stepparent boundaries with kids? Did forcing titles ever help, or did letting things grow naturally work better? Spill your experiences in the comments.