I suspect what we think we'd do and what we actually do in such a perilous situation can be widely separated. I've had 2 close calls, close enough to consider the otherwise unthinkable step of getting outside help.
One solution to this is to perform on a place and time that makes discovery inevitable, after a sufficiently long time, of course.
If there was a business, some kind of bondage babysitter, check in, rescue service, would you use it?
Eido