Looking at ourselves in cold, hard evolutionary terms, we are all relatively useless after 30. All a species needs to survive is to reproduce itself, which is easily possible at the age of 15, and fifteen years more to raise the next generation to reproductive age. Certainly by 40, when both the male testes and the female ovaries begin to show the changes of age, we are, from an evolutionary point of view, thoroughly disposable.
You can report quote corrections via the "Conversation" tab below
Search on Google Books to find citations of this quotation.
This quote is linked to the event - Turning 30
Source Notes: Passages: Predictable Crises of Adult Life (part 6, "Deadline Decade"; chapter 22, "The Sexual Diamond") (1976).
Gail Sheehy is an American writer and lecturer, most notable for her books on life and the life cycle. Her second book, Passages, has been called "a road map of adult life". Several of her books continue the theme of passages through life's stages, including menopause and what she calls "Second Adulthood".
I'm the guy who runs quotationsbook!