Analysis of Eating disorder

He ate so slowly it was as if he'd been starved his whole life, fed tiny meals and worked to the bone.
She ate so quickly it was as if she'd been overfed her whole life, forced to complete meals, even screamed at to eat.
He was obese and ate food as if it was as ritualistic and important as making love.
She was anorexic and her mind would barely allow her tiny morcels to settle in her stomach without internal fighting.
However like a switch went off, he stopped  eating as if all food had turned into sweat and rotten garbage and she began to miss feeding him, and as if hearing revelations from God themself she started to feed herself for the very first time, instead.