Good/Bad Advice

Not sure exactly what to make of this. It was stenciled on a train car at the Florida Railroad Museum. You should take it for what it's worth. I first spotted a similar sign while attending a wedding in an antique store in Atlanta, so I wasn't too surprised when I saw this one. And I've been looking for an excuse to link to The Straight Dope website for a while, and this is as good as any. Do Not Hump.