Being a pet parent certainly comes with a lot of perks - a best friend for life, a constant snuggle buddy, and all the unconditional love and affection you can handle. Being a great dog mom or dad takes work, and it’s totally worth it.
The best way to deal with Separation Anxiety is to prevent it before it takes hold. This is a very frustrating condition which requires a lot of work for the pet and owner. Incremental owner migration through the house has to be established before even considering leaving the home. The training is often coupled with medication to assist the pet in dealing with anxiety. This is a great overview of the process, and is even better if viewed as a preventative process for new dog owners.