How is it possible that i would pass a drug test with a pretty solid line for THC yesterday and then i take another this morning and i failed it with a very very faint line

:wtf:
drewdog428 Reviewed by drewdog428 on . Passed Drug test yesterday but failed this morning? How is it possible that i would pass a drug test with a pretty solid line for THC yesterday and then i take another this morning and i failed it with a very very faint line :wtf: Rating: 5