I HAVE 2 CATS . ONES 17M THE OTHER IS 12M , BOTH GIRLS , NOT SISTERS ,DIFF BREEDS.. THE ELDEST WE HAD FOR 5M PRIOR . BEDSIDES THE FIRST 2 WEEKS THEY ARE GREAT TOGETHER. NEVER A ISSUE . FOR THE LAST FEW MONTHS OUR OLDER CAT IS BURYING NOT HERS BUT THE YOUNGER CATS WET FOOD WITH THE DRY FOOD...