John and Jenny were newlyweds. Then came Marley, a furball of a puppy who quickly grew into a barreling, 97 pound Labrador retriever. He crashed through screen doors, gouged through drywall, stole women's underwear, and was expelled from obedience class. Yet just as Marley joyfully refused limits on his behavior, his love and loyalty were endless. He remained steadfastly devoted, even when his family was at its wit's end. Unconditional love, they learned, comes in many forms.