Not the jerk.
It was totally wrong for your mother-in-law to come over without an invitation and try to control your father, who is a grown man, in your home. She made your guest feel bad, acted like she was better than everyone else, and crossed your boundaries. You had every right to stop that. It might have been petty to crack open a beer, but it sent a clear message: you don’t want her to judge you in your space. You stood up for your dad when your husband didn’t, and to be honest, someone had to.
Your husband is frustrated with you for calling him “childish.” He probably feels stuck between you and his mom, but his silence let her be rude. Instead of expecting you to put up with her behavior, he needs to set clear limits with her. Your mother-in-law is toxic and crossing the line. Your move was a little rude, but it was also fair—she deserved that beer moment.
AITA for cracking open a beer in front of MIL after she tried humiliating my dad for drinking?
