WIBTA If We Said Our SIL’s Boyfriend Can’t Come To Our Home Because He Keeps Ignoring Boundaries With Our Baby?

How do you protect your child when someone keeps crossing the line, even if they don’t mean harm? A couple faced this challenge when their sister-in-law’s teenage boyfriend wouldn’t stop touching their baby. Despite his autism, his actions left guests uneasy and disrupted family events.

The parents value inclusion and understand special needs deeply. Yet, repeated boundary violations—like waking a napping infant or taking the baby from others—created tension. At their toddler’s birthday party, strangers felt creeped out. Now, they wonder if banning him from their home makes them the villains. This situation tests compassion against parental instinct. Where should the line be drawn?

‘WIBTA If We Said Our SIL’s Boyfriend Can’t Come To Our Home Because He Keeps Ignoring Boundaries With Our Baby?’

The couple introduces their family dynamic and the boyfriend’s constant presence.

The boyfriend’s fixation on the baby becomes a recurring problem.

An uninvited appearance escalates the issue at the couple’s home.

The couple considers a firm boundary and clarifies their stance.

The conflict centers on balancing empathy for autism with the non-negotiable duty to protect a child. The boyfriend’s fixation on the baby—touching, photographing, and waking him—violates clear parental boundaries. Guests felt uneasy, and the baby showed discomfort. The parents want control in their own home, but fear being seen as exclusionary.

The OP and her husband show deep compassion, shaped by family experience with autism. Still, the boyfriend’s perseverative behavior signals a lack of supervision or training from his caregivers. The in-laws enable his presence without enforcing rules, shifting responsibility onto the hosts. Communication has failed: repeated requests go ignored, and the teen lacks tools to self-regulate in new settings.

Dr. Tony Attwood, a leading autism specialist, writes in The Complete Guide to Asperger’s Syndrome (2006): “Individuals with autism often need explicit, repeated instruction on social rules, especially in novel environments.” This applies directly—the boyfriend requires structured guidance from adults who know him. Without it, his actions escalate, harming both the child and his own social growth.

To resolve this, the couple should speak directly to the boyfriend’s parents or school specialist. Share specific incidents calmly and request a behavior plan: no baby access, no photos, supervised interaction only. At home events, enforce a “one warning” policy—any violation means immediate removal. Invite the boyfriend only to low-stakes gatherings with pre-set rules. The in-laws must respect that their home is not the couple’s. Clear, consistent boundaries protect everyone involved.

See what others had to share with OP:

Many insisted the couple must prioritize their child’s safety and comfort, autism or not.

Some urged teaching the boyfriend clear rules instead of exclusion.

A few stressed involving professionals or the boyfriend’s family.

This story reveals the tension between kindness and parental duty. The couple isn’t rejecting the boyfriend—they’re protecting their child from repeated intrusions. Autism explains behavior, but doesn’t erase the need for rules. Clear boundaries, backed by caregivers, could allow safe inclusion in the future.

Would you ban someone from your home for repeatedly waking your baby, even if they didn’t mean harm? Or would you work with their family to teach better boundaries first? When compassion and safety collide, which wins—and how do you enforce it without burning bridges?