3 lb Charlotte is a little spitfire & SNEAKS downstairs to eat cat food

every chance she gets because it is smaller & easier to chew than her Taste of the Wild food. She LOVES it

& it doesn't make her sick. I'm at my wit's end keeping her out of it; she wants it more than her own food!! I've tried ALL the practical solutions for keeping her out of it, but my poor cat ends up either being shut up downstairs so she can eat, shut OUT of downstairs, or her food being put up out of reach altogether. Just HOW BAD is it for Charlotte to be eating a little almost every day it seems???!!!