Bfp? Bfn? Evap Evap??

Brandi
Hello ladies I was suppose to have gotten my af Dec.29 and still nothing I took a test Sunday 1/17 and got a bfn. Took a test Monday morning 1/18 and got a neg and threw away looked again and saw 2 lines!! Same thing happened to my cousins husband and it was true! Still no period!!