All animals need exercise both mental and physical, especially pets need them to keep them fit. Cats need to play while dogs need to run, hamsters spinning to mention a few. Have you wondered that watching TV would be a good mental exercise for your dog? I happened to read about it in The New York Times. The flipping on the channel while we are out would keep our pet stimulated, entertained and relaxed . There are channels like DogTV with three-to six minute segments for dogs http://well.blogs.nytimes.com/2012/04/25/should-your-dog-be-watching-tv/?_r=0 . Physical part through swimming which has many health benefits from cardiovascular exercise to stimulation and entertainment.Check this blog http://www.soldapools.com/blog/swimming/5-health-benefits-of-swimming-for-your-dog/ . I have found my pet very much engrossed in TV programs. He loves water and swimming. The results are quite encouraging.