I feel like I’m going crazy

I know I’ve been posting a lot at least it seems like it to me but I can’t stop thinking of my blood level test I had done Thursday but I’m starting to get hopeful that it has been doubling like it’s supposed to. AF due in 2 days, my pregnancy tests I bought off amazon has been getting darker every time I pee on one which has been from Wednesday till today. And I bought a digital test today and wouldnt ya know, it said PREGNANT on it. Just wonder how sensitive the clear blue digital tests are in order to get the pregnant reading ????