Footnote on first line of a page inserts a blank page
Every time the first line of a page contains a footnote, InDesign automatically inserts a blank page for some reason. See below:

Not sure why, but if I do anything in that line--add a space, italicize something, etc.-- it will shift back to the way it's supposed to be. See below, where I added a space after the footnote:

It's not just this one InDesign file either, every ID project I've ever done has had this problem. Anyone else run into this?