Don't feel pregnant...

Anneliese
By that I don't mean symptoms. In my head. I've taken tests the past 3 days, all faint positives, not getting any darker, I know it's still very early, af isn't due for 4 days. I just feel that it's incorect, or not real. I mean, shouldn't the tests be getting darker? Worried... trying not stress and just relax.