Heartbroken......

My dog Gracie had to be euthanized yesterday morning. She was over 14 years old and had taken a drastic turn and I couldn't watch her suffer anymore. I am feeling so lost and can't stop crying, sometimes I feel like I can't breathe. I woke up this morning forgetting that she is no longer here and started crying the minute I remembered. We always ate breakfast together and today I didn't have her to eat with and it hit me so hard. She has been by my side since she was a pup and even went to work with me at my shop before we retired. She was the most amazing dog and there will never be another like her. She was so in-tune to me, she worried over me and protected me just as I did for her. I have guilt now that I didn't get her ashes, that maybe I could have waited a little longer to put her down, all the awful thoughts. How does one ever get over this loss. She was my heart dog and it's only day one and I don't know how to handle this.