I once got a school councilor with the movie Titanic. She hadn't seen it and I said "You want me to spoil the ending?" She gave me a shocked look "No no no, I haven't seen it."
I said "The boat sank". I KID YOU NOT she followed up with "Why did you tell me that?"
I said "The boat sank". I KID YOU NOT she followed up with "Why did you tell me that?"