Something people do when they are mentally drained due to negotiate a tough situation. In summary, they've been strong for too long. Kinds like how when you're lifting weights, you stop at a certain amount of reps to take a break because you've used your strength for too long or too much.
"People cry, not because they are weak. It is because they've been strong for too long"- Johnny Depp
Johnny Depp would suit the role of God in Hollywood movies due to the brain capacity he has to preach some sagacious words of wisdom
#teamjohnny.