COMPETITION 40: A Dangerous Age?

Forty tends to be thought of as a human milestone, unless it’s now regarded as the new thirty.
Your thoughts on any aspect of the number in relation to people, anniversaries, dates or what you will, in up to sixteen lines headed Competition 40 by February 15th please.

Smocked yokel grinning through a horse-collar 1886.

Who is this antiquated local?
Get out of here you gurning yokel!