Anytime you interfere with a natural process, you're playing God. God determines what happens naturally. That means when a person's ill, he shouldn't go to a doctor because he's asking for interference with God's will. But of course, patients can't think that way.
“I only have so much energy, so something had to go. This is why, at the end of the day, I've preserved my sanity for the children and also manage to do my best at work.”