Obsessing about avoiding cards is fair enough if you are pursuing a short term ketosis weight loss approach.
But thinking long term you should be aiming ultimately for a more balanced diet.
I think you are not doing your body much good if you are forcing it into ketosis on a semi-permanent basis.
Longevity as well as levity is the ultimate goal in a healthy lifestyle.
There is a certain je ne sais quoi - oh, so very special - about a firm, young carrot!