Candles are reminiscent of the ancient poem: "Spring silkworms are spinning until they die, and every night candles will drain the wick." Candles are candles. Meaning: Memories of flowers and candles.
Tears of Flower God comes from Liu Shishi's song Tears of Flower God. . .
Flowers come from "A Dream of Red Mansions" and "Flower Burial" written by Daiyu: When they will be bright and fresh, it is hard to find them as soon as they float.