DS is non verbal autistic and is vocally very loud. He shouts and makes happy noises and vocally stims. It’s his way of communicating and his noises are involuntary. He is extremely loud and does a loud scream sometimes out of nowhere. My issue is DH who regularly tells him to shut up. I’ve told him to stop and that it’s disrespectful to DS especially as vocal stimming is his way of communicating. DS now regularly shouts SHUT UP! as he’s heard it so often. He is very loud and his noises are jarring but I always just say - shh! Quiet! or I try and distract him. I hate how DH tells him to shut up. AIBU??