HPT question...please give me hope

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Has anyone taken HPT and had stark white (bfn) staring at you for 3+ days in a row....then suddenly on the 4th or 5th day get a bfp? My boobs are SO tender....according to Flo I should get my period today....according to glow....AF due Sunday. The past few days it’s one bfn after another and I just keep praying the next one will give me 2 lines....praying so so hard for our bfp. Please someone give me hope