Definition: Given a real-life anecdote of a complex ethical situation, generate a suitable title that describes the main event/root cause of the situation. Imagine that the given text is a social media post, and you have to write the title of the post, so the users can decide to read the main text or not.
Input: A little of a backstory. I'm 31 non-native english speaker, have a 8 yo daughter, who lives with her mother. I have helped raise her, tho, been at her house, and all that, so I've been a part in her education/manners. Also, she spends every saturday with me.

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A few weeks ago, a friend of mine from school got in touch with me via Facebook (we were classmates and good friends in school, but after graduation we went our separate ways). She tells me she moved back to town, she's got a kid (6 yo), got married, got divorced (husband cheated on her) and stuff. Since we've got kids who are around the same age, maybe we could meet up and the kids could play while we catch up. Sounds OK to me and my kid agrees, so we do.

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They came to our house and they get along, playing until it's time to eat (tea time). So we are eating, and suddenly this kid farts. I look at him, and so does his mom, but we don't say anything. The kid then rips another one. My daughter looks at me kinda shocked, and the kid starts laughing and lets another one out. I look at my friend and she just looks me back and says "kids will be kids". So I look at the kid and say "you shouldn't fart on the table, kid" in my friendly-yet-firm dad voice.

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He doesn't respond and starts eating his sandwich. He eats with his mouth open, talks while eating, and I can notice my daughter is annoyed. Suddenly, the kid farts again and starts laughing (again, mouth full with his sandwich bite.)

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I got annoyed. He's 6, but he should at least apologize. So I tell him "Hey, \[blank\], you shouldn't eat with your mouth open. And if you're gonna fart, at least apologize. I know farts can sound funny but we are eating. It's not polite." His mom tells him to listen to me, and he kinda does (he still eats with his mouth half open, but no more farts.)

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We finish eating and the kids go back to play, only my daughter now doesn't want to play with him. She asks if she can play with my phone, and the kid wants to play smash bros (wii U) so I put him against the CPU. Eventually, they have to leave. They live close so we walk. We let them at their house and everything seems normal, except is mom was silent the whole walk.

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When I got tome, I text her saying my daughter and I got home safely. She texts me back a "that's nice" and then proceeds to tell me she liked the visit but was kinda annoyed of me lecturing her kid. That she get's it not the best behaviour but I should have overlooked it, and that the kid said he would like to come by again to play but didn't like me "acting like a dad". I tell her that I get her point, but in my house, and in my table, we behave, and that at no moment was I rude or harsh to her kid, I was acting mainly because my daughter showed concern. She responds that's ok, but to remember that "kids are kids". My daughter said she liked playing with him but "didn't like him while eating" (her words)

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So, AITA here?

correcting another kid's behaviour in my home