Quality beats quantity (https://en.wikipedia.org/wiki/Quality-adjusted_life_year)
I do want to live old enough for my kids to become self sufficient adults. So yes 1000 sounds about right.
But this world is incredibly broken - and extending lifespans (without the attendant expansion in birthing years, etc) can only create a self-collapsing system
https://en.wikipedia.org/wiki/Life_expectancy#/media/File:Li...
we doubled life expectancy in a century...just wait 4 centuries more and you'll get to your fetish 1000 years