No one can persuade another to change. Each of us guards a gate of change that can only be opened from the inside. We cannot open the gate of another, either by argument or emotional appeal.
Fear is a question: What are you afraid of, and why? Just as the seed of health is in illness, because illness contains information, our fears are a treasure house of self-knowledge if we explore them.
The brain's calculations do not require our conscious effort, only our attention and our openness to let the information through. Although the brain absorbs universes of information, little is admitted into normal consciousness.