ELI5: The Giggle Loop. You know when you can't stop laughing uncontrollably at something that isn't that funny, or at a funeral and you suddenly get the giggles. Why does it happen, what triggers it, the psychology behind it? Submitted by Pochusaurus t3_11bizgf on February 25, 2023 at 11:36 AM in explainlikeimfive 8 comments 30