I'm broken and the vet is coming in 3 hours

This is Giny. She has been with us for around 16 years now. Sweet and joyful dog.. Her health deteriorated over the last days, she won't eat or drink, can't stand so we made the decision to call the vet today. He's coming in three hours and it sucks. I've just been lying here with her, bawling my eyes out, and I will miss her when she is gone. To everyone going through something similar I wish you strength. She had a good life but damn... I wish she had some more left