It's always a little sad when someone you love has to move far away from you, but that feeling doesn't compare to despair and anxiety that occurs when they disappear entirely.
And unfortunately, authorities who specialize in search and rescue often have reason to confirm those fears because it's generally understood that the longer somebody goes missing, the less likely it is that they'll ever come back.
However, the world can sometimes surprise us in the most awe-inspiring ways possible when people who spend months away from those who worry about them defy the odds and find a way back.
And as we're about to see, those odds can be incredible even when those who disappear do so intentionally.