"Ripe age" refers to the stage in life when a person is considered mature or fully developed, often associated with being experienced and capable. Full definition
Yet having survived to so ripe an age, I find that when it comes to death, I prefer a more American voice,.... (firstthings.com)
However, personal factors can impact the decision, such as if you have good reason to think you'll either die young or live to an exceptionally ripe age. (moneysense.ca)
Like you get to be Kings and Gods of your own planets after you die, oh, wait, that's already taken by the Mormons... but seriously, why are you so self centered to think you get to live on even though your life span is no greater than that of some tortoises (in fact one tortoise named Hanako lived to the very ripe age of 226 years). (religion.blogs.cnn.com)