A First Time Dog Owner Needs to Know, is My Dog Bad or Bored?

I have had dogs and pets most of my life. I usually give my dog a lot of attention. This is one reason why I don't have behavioral problems with my dog.

It usually can't be helped when we have to leave our beloved dog home alone for periods of time on a daily basis. Have you ever had a dog that was completely bad when left alone? There are many bad behaviors that.... 
From: A First Time Dog Owner Needs to Know, is My Dog Bod or Bored?