AF late

My AF was due 4 days ago, and still not even a single symptom. My breasts always get really sensitive, and they haven't been at all since my last period (August 11th). My periods are typically regular, and I would be ecstatic, as we've been TTC for 2 years now. I just don't want to get my hopes up, and have it be a late period. Also, have tested two different mornings, both BFN 😔😔