One good reason to learn French!

One thing I love about studying French is the opportunity to improve my English! Just this morning I learned of another set of words I've been confounding all along.

Thank you, Charles, who responded to my post "Zipper Politics." Charles writes:

You mention journalists having a heyday, but the correct expression is "field day." You were confusing heyday with field day.

Merci encore, Charles! Considering no other readers pointed out the mix-up--except to say I misspelled "hayday" (heyday)--I wond...