|A good one of two of Tank's puppies, Nala and Bear|
For now, they are going to keep him off medication and wait until they basically have no choice but to medicate him. This way he avoids the quality off life issues that the side effects of the medication may give him.
His official prognosis is 1-2 years before he's officially in heart failure, and maybe 1-2 years of quality time after that. So, basically 2-4 years of quality life left, before we need to make any hard choices. I'm still a little bummed, but the news could have been much worse.