Fact Grope - A truth or lie goes from mouth to mouth like a virus and no

A truth or lie goes from mouth to mouth like a virus and no one knows who started it.

I said my dog was a menace. Now the whole school thinks my dog is a menace.

I told my friend I was a math genius. Now my class thinks I'm a math wizard.

I said I hated broccoli. Now my family thinks I'm a vegetable enemy.