Loved reading Irreal's latest blog entry (https://irreal.org/blog/?p=13405) where they talk about y-or-n-p versus yes-or-no-p and the fact that many Emacs old-timers aliased the latter to the former, hating having to type out "yes" or "no".
Setting up this alias was literally the first line I ever placed in my .emacs more than four decades ago, a line that survived until this year when I finally got around to re-doing my whole Emacs config for the first time.