“I’m leaning more towards sociopathic. I don’t believe there is any way somebody could be this obtuse. This has to be intentional cruelty for his own amusement.”
“Unless you’re willing to lose your sister and the rest of the family, you need to either get your husband to apologize and see what he did wrong or leave him.”
“You may think that it’s not malicious, but you’re absolutely wrong–he didn’t like your BIL, he made the choice to drag his memory through the mud.”
“NTA. Honestly, he better have some extremely redeeming characteristics if you’re willing to keep someone like that around. You do not owe undying loyalty to your partner when they’ve clearly crossed multiple lines.”
You can read the rest of what the internet had to say here.