Meaning of "Well, Girl, Look At You"

"While only you can look at yourself, you must be reminded by others to which areas require reflection." - Moi
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Unrelated:

Some, at the end of their lives, will gain assurance through knowing that they achieved their life's dream of, essentially, sentimentality—marriage, children, etc.

Others, comprising a far smaller lot, will gain assurance at this trying time through the knowledge that they lived as eclectically as their resources would allow.

I suspect that this dichotomy has a significant genetic basis, but, like all psychological dispositions, has a strong environmental element also.

As such, societies should encourage their citizens to hold the latter view on their life since, if everyone is striving for diversity, then people will have a far wider-range of different activities/ideas to choose from.

However, it could be argued that if everyone's road has the same destination, then each destination could be reached more easily, per the general idea which supports economics of scale.
It is
My reply to this "hypothetical argument" would be that

[I'm discarding most of the above; this is going to require more thought.]