I'm going CRAZY!

Honestly either a) I'm totally insane or b) my body hates me... I'm supposed to be almost 8 weeks. Peed on 1000 test all said positive even a clear blue digital with weeks indicator. Went for my Drs apt on the 17th and it was confirmed went for blood work up the same day... I've has zero symptoms except when I'm hungry I kinda feel nauseous so went to get another test and bought clear blue digital again and literally just went to the bathroom and it says "not pregnant". Am I looking my f****king mind or is there something with clear blue that's is screwy?!?! I'm going nuts over here!!!!