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: and not knowing that dental fillings don't get whiter. i don't have enough money to have them replaced so i guess i just have to be proud of my marble-patterned teeth.

TIFU by getting my teeth whitened.