the.com/headwind

nature's way of reminding you that progress and difficulty often blow from the same direction

means A wind blowing directly against the direction you're traveling, slowing your progress — or, by extension, any force or circumstance working against your efforts.

from A plain compound of 'head' (the front-facing part, the direction you're pointed) and 'wind,' born from the language of sailing and seafaring, where a wind on the bow was the enemy of forward motion. English has long used 'head' to mean 'facing forward into something' — think 'headlong' or 'heading toward' — so a headwind is literally the wind you meet face-first. The figurative sense, a wind against your fortunes, drifted naturally from deck to boardroom.

fuel cost
adds millions in airline fuel bills yearly
cyclist's foe
every 1 mph costs noticeable pedaling effort
longer flights
westbound transatlantic trips take an hour longer
jet stream
winds can exceed 200 mph at altitude
hidden ally
planes take off and land into it
for instance

round-the-world yacht race — boats sailing westward against trade winds lose weeks compared to eastward routes

trans-atlantic flights — flights from us to europe face 100+ knot headwinds, adding 1-2 hours vs eastbound return

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