"Ripe" time of one's life (3,3)

I think it could be either:

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3,3

old age

(Other definitions for old age that I've seen before include "Lego ad (anag)" , "time of one's life!" , "Later part of life" , "Pensionable condition" , "Time near the end of life" .)

I've seen this clue in The New York Times.

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