left alone

My wife and I have been trying to train our boxer to be able to not have to go into his crate when we leave the house. Sometimes he doesn't touch anything. We get home, cushions are on the couch and nothing is destroyed. Other times he rips apart the cushions or finds something else to chew...

We have a wonderful 8 months old shih tzu and he has to stay alone for quite awhile until we come home from work. Anywhere from 8 to 10 hours :( I know it sounds bad. He has the guest bedroom all for himself. He has his toys, water and food, and the whole bed for himself. He was fine so far, or...