The Dog Planet
Per science fiction, or mythology as we used to call it, somewhere near Sirius, on the Dog Planet, the dogs live as long as we do.
But because of relativity, and black holes, the dogs we get as projections, echoes, on Planet Earth, don't live nearly as long as we do.
And yet when they get older, faster than we, they may also get wiser, so we have much to learn from them, thanks to relativity, and science fiction.
One maybe doesn't teach an old dogs new tricks, but they learn them, from whom it's hard to say.