It is so hard to say goodbye to our faithful animal companions. Grief over the loss of a pet is very real, and coping with the loss of a pet can be a challenge. The human-animal bond Here are some of the reasons why the loss of a pet can be especially heartbreaking: Our relationships with our pets are unique and special bonds; they are like no other relationship we have in our lives. Our pets offer us unconditional love and support. They are always there for us, no matter what kind of mood we are in.