Why dogs lick themselves?

Dogs lick themselves for many reasons. One is to ensure cleanliness. Two because they're bored and they have nothing else to do. One might wonder why they don't get another toy or a bone to chew. But that would require work and dogs are lazy. Dogs are very very funny when they jump up and down wanting to go to the bathroom. You know what this is a never ending story so once again the question arises: . One of my strong points is cus...