I have two dogs here who totally help me out when sad or feel upset. I feel it's a cool idea and if you can afford it, do so.
Some neat stuff I found
http://www.sundogtherapy.com/animal-...interventions/
https://www.angloinfo.com/blogs/port...s/dogotherapy/
A Facebook page:
https://www.facebook.com/Dogotherapy/
It is really neat how they have them in nursing homes for the elderly too.