Retro: candles, like spring silkworms, have been selflessly dedicated until the end of their lives.
Novelty: Candles are like time bombs. You never know when everything you have will go up in smoke.
Candles are like melancholy girls, with tears on their faces.
Candles are like wildfires in a cemetery, which make you suffer from loneliness and terror in the dark.
Candles, like superman, light the light of hope for you when you are helpless.
Candles are like angry soldiers, and their anger can burn all evil.
Think so much first, I hope it will help you.