smoking-kills
Explanation
The Joke
A mother is trying to teach her child that smoking is bad by explaining that "smoking isn't cool" and "smoking kills." The child, however, applies an unexpected logical framework: they point out that machine guns are cool, swords are cool, and that killing people seems to be the major criterion for something being considered "cool." The child argues that if killing is what makes things cool, then smoking -- which kills -- should logically also be cool. The mother is left speechless, realizing her anti-smoking rhetoric has accidentally validated smoking through the child's twisted-but-internally-consistent logic.
In the final panel, the mother mutters "Maybe I should start smoking," and the child cheerfully says "See, now I don't wanna do it!" -- suggesting the child's real goal was simply to be contrarian, and the moment a parent endorses something, it becomes uncool.
The Humor
The comedy here comes from the child weaponizing formal logic against well-meaning parental advice. The argument is technically valid (if killing = cool, and smoking kills, then smoking = cool), even though the premises are absurd. It satirizes both the simplistic way adults try to dissuade children from bad behavior and the way children can deconstruct those arguments with ruthless, if misguided, reasoning. The final twist -- that the child just wants to rebel against whatever the parent endorses -- adds a layer of knowing commentary about adolescent psychology.