Friday The 13th Isn't Unlucky, But Don't Tell These People That

This Friday the 13th, you'd better avoid all ladders, mirrors and black cats. Not because they're unlucky, but because as this video demonstrates, all three can seriously ruin your day.

Actually, here's proof that black cats aren't bad luck... I've had mine for 13 years and she's awesome.  Say hi to Geraldine.