Thinkers in history be like:
Socrates suggested that the sensation is to some degree pleasant but to a greater degree painful.
Aristotle raised the question of why one cannot tickle oneself: "Is it because one also feels tickling by another person less if one knows beforehand that it is going to take place . . . ?"
Francis Bacon and Charles Darwin agreed that humorous laughter requires a "light" frame of mind. But they differed on ticklish laughter. Darwin thought that the same light state of mind was required. Bacon said no. When tickled, he noted, "men even in a grieved state of mind yet cannot sometimes forbear laughing."
The News be like: Man charged after tickle fight gets violent causes scene in court
Meanwhile Reddit be like: Is tickling someone without their consent considered assault? (Spoiler: Lots of yes)
please stop