This article is from the rec.pets.dogs: Assorted Topics, posted to rec.pets.dogs newsgroup. Maintained by Cindy Tittle Moore with numerous contributions by others.
Some dogs may cry and whine when you leave. Most get over it in time. You can minimize it by not making a big deal of leaving; say good-bye, give him a treat, and walk out. You can probably condition your dog to accept it better by leaving for short errands and coming back soon, possibly over the weekend when you don't have to work.
Go ahead and crate the dog while you're gone (provided it's been crate-trained, of course). A crate can help your dog feel more secure in its own personal space where it can't get into trouble.
 
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