Candles are probably one of the most versatile tools of relaxation ever invented. They have found a way to persist in the modern world even when there are more options than ever for lighting. This is because candles are more than just another source of light. Physically, emotionally and even spiritually, you can find a use for candles that fluorescent or LED bulb will never be able to imitate. If you've ever soaked in a bath while a scented candle...