[ARCHIVED] Autonomous Insulting (Patch 1.108.349)

Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Occasionally (10% - 49%)
What is your current game version number? 1.108.349.1020 DX11
What expansions, game packs, and stuff packs do you have installed? Growing Together, Cottage Living, University, Island Living, Get Famous, Seasons, City Living, Get Together, Get to Work, Strangerville, Parenthood, Spa Day, Outdoor Retreat, Moschino, Backyard, Perfect Patio, Romantic Garden, Spooky, Movie Hangout, and several kits.
Steps: How can we find the bug ourselves? Have sims be in a good mood, talk to each other, and then let them autonomously choose how the conversation goes. Autonomous mean interactions will pop up, which will damage the relationship and cause a negative sentiment.
What happens when the bug occurs? They'll be mean to each other for no reason. Mostly I'm seeing "shout forbidden words at" and "insult sim."
What do you expect to see? Sims should not randomly be mean to each other when they're in good moods, have great relationships, and don't have traits that would cause mean interactions.
Have you installed any customization with the game, e.g. Custom Content or Mods? Never used.
Did this issue appear after a specific patch or change you made to your system? Neutral/Not Sure 

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This seemed like it was fixed for like a week. And this past week, I've started to experience autonomous mean interactions again. Mostly I'm seeing "shout forbidden words at" and "insult sim."

My sim told her husband she was pregnant and then he swore at her and it caused two negative sentiments to pop up. This is their third baby together, he's family-oriented, their friendship and romance bars were maxed out, and they have a close relationship dynamic. A smooth apology got rid of one of the negative sentiments, but not both. So now I have a festering grudge sentiment that I can't get rid. 

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I shouldn't have to babysit my sims to stop them from being verbally abusive to each other when they aren't mean, evil, or have some other trait or mood that would cause mean interactions.