My Gran would insist on only seeing a new moon from outside. She thought it would be bad luck to see it through a window.

I suppose most of the sayings here are encapsulating superstition. A bit like coveting your neighbours missus and adultery. You won't burn in hell really, although your shirts might get shredded with bacon scissors and scattered on the front lawn.

"Sitting on cold surfaces gives you piles." It doesn't. Although it does make men more fertile if your love spuds are in contact too.

There is a "saying" among guitarists that ground nut oil is better than lemon oil for cleaning and preserving fret boards. Really? All I found was I caught a certain alleged greyhound licking my bloody guitar.