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: he was missing his left arm below the elbow, and i was idly inspecting the stump when we happened to make eye contact. so i pointed to my watch, which is on my left wrist, and said "i'm just wondering -- how do you tell what time it is?"

he laughed, it was all in good fun, and then the woman in line behind me said "that is just sick" and walked out.

lady, i'm sorry. comedy doesn't care, but i do.

TIFU by making a joke with an amputee at the sub shop.