In human years thats like Moses. Have you had some go that long? ...which species? That would be the kind of goo I'd want to add to my gene pool. ... seriously
For me keeping these spiders is not so much about the individual spider, but the efforts behind being able to get a cool gravid female Latin whateverus on your 40th and feed "her" a cricket on your 100th. Lifespan, whether 2 months or 14 years is but one of many hurdles.
my brother and i caught a mature hesperus female that lived with us for three years and produced something like 13 eggsacs (the last three were completely dry all the rest we assume or know would have produced at least some viables)
i think Kukulcania sp. take multiple years to mature and reproduce