What does the fortune teller mean by "three-light girl"?

Women who earn moonlight or years, their youth is squandered and their love is consumed. Three-light women refer to women who earn moonlight or youth, squander their youth and have naked love, generally referring to a class of women. Sanguang explained that when you earn moonlight or young age, the income after working for one year is basically food and clothing; Second, youth is squandered, commonly known as leftover women; Third, love is bare, and I don't believe in love in my heart.