Missed period but no symptoms ?!?

I am 6 days late , im on CD 36 , I had implantation like bleeding for a couple days , starting on aug 10th , I’ve had period like cramps, frequent urination one night , light headedness, increased thirst & hunger, but no sore boobs, I’m going to take a test this Friday , but I’m so scared of getting a negative, I can’t handle a negative . I was pregnant around this time last year and miscarried at 2 months. If I am pregnant I am 4 weeks 6 days today. Did anyone else lack symptoms in early pregnancy?