Why am I not getting a dark positive just faint.

I am 12-13dpo

trying to conceive baby number 2

keep getting faints.

I have symptoms that are making me confident

extra cm

high super soft cervix (had the same thing with last pregnancy)

achey legs (had rls last time)

cramps 3-4 days

IB and 9-10 dpo(same as I had last time)

vvfl on the tests, last time I had a BfP on my only test at 13 dpo

I'm really getting bummed out af is due tomorrow and I guess I have to throw in the towel, cheer me up yall