Family cherishes dog forever.

Meaning: The family loves and cares for the dog very much.

Choice of Words: Family is a group of people who are related to each other. Cherishes means to love and care for something deeply. Dog is the same dog from the first sentence. Forever means always or at all times. When you put them together, it means the group of people who are related to each other love and care for the dog always or at all times.