The adverage adult is made up of 60% water. Losing fluids during a disaster can become dangerous very quickly. Having enough in your resoviour can be the sure deciding factor if you have enough...pertanicity to walk out of the destruction. Pertinicity comes from the inside, what you're made up of. It's the quality of sticking with something no matter what.
There you have it ATH20...not just surviving but overcoming even while underneath the rubble that was meant to destroy you!