I personally agree with Heidi, my 2 are defo better around the house if they get the usuall 2 walks a day lunch and early evening, because they are still young I'm still limited time wise with walking them, big dogs need strong muscles to support the wieght of their bones and excersise is the only way to build the muscle, I personally would'nt have a big dog and not excersise it, that is unrealistic.