Opk help

Raquel • Married.Mom 👦🏻 10/15/14. 👧🏻 2/12/19. 👧🏻 12/21/20 trying for baby #4

This supposed to be my fertile week. I still haven’t got a positive opk. I keep getting faint lines it looks like it’s getting darker but not positive. I’m on cd 20 now. I really want this to be our month.