1. All about grunting, bros:
When you exert yourself at or above your physical limit, as in lifting something heavy, you will reflexively close the vocal folds of the larynx in an attempt to seal off the respiratory tract. By doing so, you give yourself a slightly enhanced degree of trunk stability and therefore slightly increased leg and arm strength.
2. Funny, but also maddening, but also true: 17 Real Life Would-You-Rathers I, A Woman, Have Had To Ask Myself.