Mr. Tea
Let's Talk About Ceps
Well that's a different question entirely. Sometimes there's the threat of a tangible consequence that will (or could) happen, eg. "I want a new car but I won't buy one because then I'd have no money to pay the mortgage and I'd be homeless", or fear of disapproval of some kind either from the general public or specifc people you know, or becaise it's illegal and you fear the legal consequences. Or because of fear of metaphysical/spiritual consequences for your immortal soul (something I am fortunately not saddled with).
So loads of reasons, really.
So loads of reasons, really.