Sims are mean or romantic to each other

Do you use mods? With MCCC you can modify what kinds of autonomous interactions are allowed / not allowed, and can turn off autonomous flirting for sims that do not already have a romantic relationship.

omg really? Yeah i use mods. im gonna try this, thank you

That setting is for the flirty mood, but I have my sims wrecking havoc without the mood. I have that setting on and it doesn't stop all these random (no mood) flirty introductions with new flower petal showers that are now in the game. It doesn't even look flirty, except for the petals. There's also at least one other interaction that was too subtle to notice, but they sure wrecked my sims' marriage!

I'm going to lock this thread as there's two issues here.

The auto mean should be fixed.

For the flirting, please create a new thread if you continue to have issues.

There's a current thread at AHQ that could fit your issue.