Well, the kid could be being nice by giving a hug to a friend who's sad or saying kind words to everyone. Maybe they're also shown cleaning up without being told to. These are all ways to show the kid being nice in a cartoon.
The cartoon kid might be shown sharing toys or helping others without being asked.
The cartoon kid being nice could be depicted by offering to do chores for their parents or standing up for someone who's being bullied. It might also be shown as simply smiling and being friendly to everyone they meet.
A nice cartoon kid usually has kindness, honesty and a helpful nature.
It's highly inappropriate. Cartoons have an influence on kids' minds, and showing a kid smoking can normalize a bad and unhealthy practice.
Maybe it's to make us feel sympathetic or to teach a lesson. Cartoons can show emotions in a simple way.
Maybe it's because the soup looks really delicious and the kid can't resist.
Maybe the kid was up too late the night before or found the class really boring.
It could be that the cartoon wants to draw attention to the lad's feelings and the special connection with the kid. Maybe it's part of a larger plot to teach some important lessons.
The kid being in extreme weakness in the cartoon might be to make us think about certain issues like health or the impact of circumstances. It could also be to set up a contrast for later when the kid gains strength and overcomes the odds.
Maybe it's just a random creative choice by the cartoon creator to add variety and interest.
It could be that the cartoon is trying to raise awareness about certain issues kids face. By showing a kid asking for help, it might encourage viewers to be more empathetic and helpful.
Maybe it's because something didn't go his way or someone treated him unfairly in the cartoon's story.