I really don't know how the teenage male sim gameplay work. I don't know why whenever he's idle, the first thing he takes the initiative to do is to heckle at my adult sim. Does anyone know what is causing my teenage male sim to do so?

It could be the teen's traits. I know inappropriate and I think mean spirited makes Sims more likely to boo each other. Or it could the the adult's traits (people boo insane sims and I think mean and evil sims). It could also be something from the celebrity system of Late Night if you have that for on for active families- people boo unpopular celebrities.

Except neither of those two sims have either of those traits. The heckling kid Sim has a friendly trait; I was going to have a "good" trait, but apparently that means that sim wouldn't hurt a fly.

I have 2 modded NSFW traits for my heckling sim but the two vanilla game trait he has is "Brave" and "Friendly"

For the sim he keeps heckling, it's Flirty, & Irresistible (with the rest being modded NSFW traits).

It might be the traits of the sim he's heckling.

The flirty trait? @_@

I don't know, but I'm thinking it's possible. What is their relationship like?

One of the mods that bestows nsfw traits also causes sims to barf when someone initiates woohooish behaviors in public, so it could be that the heckling arises out of flirty behavior that the teen objects to (possibly being a prude like so many young people are these days-no, that part is a joke)

Their relationship? Hehe, love interest :3
But I'd be surprised if it is the cause.

I just noticed. "Heckle" seems to be one of the immediate interactions on the interaction pie of that teenage sim in my game.

While it may not be connected to the issue, the only mod I know of that includes NSFW traits (there could be more modern ones I don't know of) is notoriously game-corrupting so it's not really surprising if there's sideways behaviour.

Additionally, do you play with AwesomeMod? If you have this in combination with a mod that's bypassing certain rules to do with adults and teenagers, it will also do a number of things to try to ruin your game (by design). I don't know the exact effects, but heckling would make sense in that context.

no autonomous heckling
https://simsasylum.com/tfm/index.ph...ecember-2-2013/ (registration required)

I've been turning this off since Showtime came out. no stress

OMG, you are a miracle worker. Thank you soo much!