I have been doing keto for 7 weeks now started at 222 now i am 189 in the morning ...... but this week i gained weight somehow, i am 2 lbs heavier than last week i dont get it ive been doing same diet not to mention this week ive done double the cardio can my scale be not accurate. Also i use ketostix to see if im in keto normally their pink but today i tested and it didnt change color at all im really disocuraged right now im pushing my self to my limits and taking step backwards.... any help would be great