So i have a female cat, 1 1/2 years old, and shes not fat, but well on her way because when we adopted our newest lil kitten, male, whose 7 months old now, she keeps eating his food when we aren't around to see! We don't want to have it locked away for fear that the kitten will not get the food he needs :/ Hes also fighting Upper Respiratory Infection, so we really want to make sure he eats and drinks all he can get. any ideas? We have it in a separate room from Her food, but shes a sneaky one...