That's it - the "dead point". This is a situation that is known in technology, sports and psychology. The piston stuck in the cylinder; The athlete cannot continue running; The side of the conflict does not have the strength to fight, but it cannot give in. This condition arises when the resource of its owner is exhausted. In a word, it jams and "not back and not here." Moreover, the more you press on the gas, the more you slip. The stronger you want to breathe, the more you suffocate.