I quit my job just to quit. I didn't quit my job to write fiction. I just didn't want to work anymore.
We don't know where our first impressions come from or precisely what they mean, so we don't always appreciate their fragility.
When a woman gives birth to a child, the child needs to be able to digest the mother's milk; but when this child is old enough to begin to eat other foods, there is some switching off of this ability to consume milk.