You are trapped in an underground mine system and...
… water is steadily rising. You are seemingly cutoff from escape and you are over a mile from an exit. You have one 3 inch hole leading to the surface through which you could breathe if you prevent water from rising into it. What do you do? How long do you hold out? What goes on in your head?
P.S. If you couldn’t find something to be thankful for up to this point today, be thankful this is just a question.
Inspired by the book: Atlantis Found by CC