Guts

Worth a read. A short story by one of my favorite authors of all time, Chuck Palahniuk. This is the story that started the "Guts Effect". During his public readings of the short story, people would faint due to the content of the story. I won't go into detail because Chuck did so better already:

"On the promotion tour for my novel Diary, I read 'Guts' for the first time in public. This was in a crowded bookstore in Portland, Oregon. Powell's City of Books. A film crew was there from the Netherlands to shoot a documentary. About eight hundred people filled the store to fire code capacity. Reading 'Guts' takes a full head of steam. You don't get many moments to look up from the page. But when I did, the faces in the front row looked a little gray. Beyond that were questions and answers. The book signing. The end.

It wasn't until I'd signed the last book that a clerk said two people had fainted. Two young men. They'd both dropped to the concrete floor during 'Guts', but they were fine now. With no memory of anything between standing, listening, and waking up surrounded by people's feet."

The Guts Effect Explanation

The actual short story "Guts" (don't read without supervision in case you faint in your chair. Don't wanna choke on your tongue)