I.
Have you ever dragged your body to your house late at night, your brain paræsthetic with fatigue, and found your face paralysed in a snarl for no apparent reason, and pulled yourself up the stairs, practically dead from anxiety, and opened your door, barely remaining conscious, and let your clothes fall to the floor with one last weary movement, and collapsed on your bed in nearly hallucinatory exhaustion, and laid there perfectly still for hours upon hours because you couldn't fall asleep?
Hi, that's me.