What does love like sparks mean?

Love as sincere as sparks. Love Like Sparks is a love song sung by Indifference and Yang Xiaoman, which expresses a kind of sincere love like sparks to us. Lyrics: I watched the flowers bloom and fall again and again, but I still love them persistently. Man: After the seduction of the world, it is hard to give up. Man: Our love is like a little spark.