Is love at first sight the gene of flash marriage?

Love at first sight is the first impression of both parties, a kind of sensory stimulation, feeling that the other party's high value and their own aesthetic standards are very compound, and there is a feeling of heartache. Of course, if it's a flash marriage, you must like each other's looks. This is influenced by China's thought of saving face, and love at first sight is one of the leading factors.