It's not something you can prove....I know you hate to hear this, but you either have it, or you don't.
Charles de LintLike legend and myth, magic fades when it is unused - hence all the old tales of elfin kingdoms moving further and further away from our world, or that magical beings require our faith, our belief in their existence, to survive. That is a lie. All they require is our recognition.
Charles de LintThe moon likes secrets," Meran said. "And secret things. She lets mysteries bleed into her shadows and leaves us to ask whether they originated from otherworlds, or from our own imaginations.
Charles de LintWhen one of my characters becomes aware of a magical element, it might be because the world is wider than we assume it to be, but it might also be a reminder to pay attention to what is here already, hidden only because it's been forgotten.
Charles de LintEverything has a spirit and it's all connected. If you think about that, if you live your life by it, then you're less likely to cause any hurt. It's like how our bodies go back into the ground when we die, so that connects us to the earth. If you dump trash, you're dumping it on your and my ancestors. Or to bring it down to its simplest level: treat everything and everybody the way you want to be treated, because when you hurt someone, you're only hurting yourself.
Charles de Lint