Having to say goodbye to a pet is harrowing - and is enough to put an owner off ever wanting to welcome another one in to their home.
But while grieving your loss, it's important to remember the happy memories you made together and the impact you had on each others' lives.
This has prompted a family to share the heartwarming letter they received from their vet just days after having their dog, named Sunny, put down. They said: "We had to put down our dog. He was 18. We got this letter from our vet. No words right now."