I usually read the footnote as soon as I read the marker for it.
I usually don't read footnotes.
I often defer reading the footnote until after finishing the paragraph/section/page/whatever.
I run an internal dialog that determines how interesting the footnote is likely to be.
The above dialog script's execution time can be longer than it would take to read the footnote.
I do something else, bizarre and/or NSW with footnotes.
I would have noticed multiple answers are allowed without this reminder.