17-1/2 years. Cinnamon, an Australian Shepard/Golden Retriever cross. Got her as a puppy, and had her until she died on the kitchen floor just before I went to work on enight (2:28).
...longest amount of time that you've ever owned one particular pet?
Per The Elements of Style, omit needless words, saying the same thing here in five instead of 11!
As for the question, I lived with my first wife and her two dogs, a Jack Russell terrier and a mixed terrier, for the two plus years we were married.
This post was edited by Stu Spelling Bee at August 27, 2020 5:06 AM MDT
"Longest" is much preferable to "most amount of time." One word instead of four, and reading it doesn't irk like the scratching of a blackboard. Help a brother officer out here!