When I see the names of lovers engraved on a tree, I don't find it cute or romantic. I find it weird how many people take knives with them on dates.
Tree Carving and Dating
Categories
Explanation
Experiment
The humor comes from the unexpected and dark interpretation of why names are carved into trees. Instead of seeing it as a romantic gesture, the person in the joke finds it concerning that so many people are carrying knives on dates, implying a potential for violence.