Would love to comment, but I do not understand your question. Please clarify when you get a minute.
E.g., domesticated dogs and cats now live much longer with better care, including better veterinary care—but they don’t have a need to extend their kittenhood or puppydom for twice as long.
I believe the intellectual stimulation to which this writer refers has been shown to be important for health right up through old age. If his anti-marriage and anti-settling down argument holds for youth, presumably it would hold throughout our lifespan.
Oh, and of course I was responding to this as well:
“’Why? Doesn’t seem as if we see that elsewhere in nature.’
Would love to comment, but I do not understand your question. Please clarify when you get a minute. “