Duke will get bored with his food sometimes and we have to either put something in it. There are lots of things to put in their food, like yogurt, an egg, fish oil. Stuff like that and switch it up. Like in the morning I put yogurt in his food and at night I will give him whatever we are eating, if we are having hamburger, I will give him some or cut up pieces of steak stuff like that. Or you may need to find another food you like and switch it up every couple of months. Keep him interested.