I have been dreading this day and it finally happened. Yesterday afternoon Blu took a sudden turn for the worse. His heart had finally reached a point where he could not continue on. He went on heart medication in June 2017 and managed to do pretty well until just recently. We had to stop our walks which he always loved. Never the less he always seemed content just being with us. Recently he slept a lot and would eat and go outside to potty but that was about it. Yesterday afternoon he wouldn't eat or drink and began trying to throw up but only small amounts of liquid would come out. He went down to the basement which he never does. I new he had fluid built up bad because he was bloated and wouldn't lay down. I stayed up with him all night and finally at 4:30 am he laid down.I covered him up and stayed next to him. Once I saw he was going to stay put I put a little heater next to him. He didn't move until it was time for me to take him in at 2 pm today. The vet told me because of his heart condition he could have a seizure once the sedative was injected.It turned out he had no reaction and laid there very peacefully as we petted him. As he was dozing off he raised his paw to shake with me. This is the hardest thing I have ever had to do. I felt like this dog was a part of me and its hard to imagine life without him. I will now have to put all of my energy into raising Preacher, I know he is going to be a good dog. I just feel like Blu was that once in a lifetime dog, he was special. I have never done cremation but Blu is being cremated because I want him in my casket with me when I die. I asked my wife if she was ok with that and she said yes. We have 3 other dobies buried in our backyard.I will be 64 in March and losing these dogs is getting really hard for me to handle. Blu would have been 14 on March 17, 2019.