but pulis do best when not kept as indoor pets in a small living space. pulis kept indoors need a lot of exercise to use up their energy, or they can became either shy or overactive. they need to get the kind of exercise they were created for. a puli without enough exercise can became mischievous and cause trouble. the right kind of exercise includes running, biking, hiking, jogging and field work; not just a walk around the corner. pulis are best kept in a house with a garden.