Definition: In this task, you are given a Reddit post as a text. Your task is to generate a title for this text. The title should start with "TIFU by", followed by a situation that caused humor. The title should contain 7-12 words, ideally.
Input: Text: i apologize to anybody i spoiled it for.  i didn't even think about that since it was written so long ago.

TIFU by revealing the ending to a book series written ten years ago.