system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: What is happening to your body when youre getting uncontrollably tickled?

And why do you get crippled again when the culprit hits you with another and doesnt actually touch you?
gpt
It's a reflex response to the "tickling" stimulus serving to get you to pull away from or swat at something tickling your skin. In evolutionary biology this kind of stimulus would have been insects, creepy crawlies, that sort of thing.