The human species could not have survived for long without the experience of fear. The ability to identify certain events and situations as dangerous and respond appropriately is essential for our existence. But these responses are meant to be rare and short-lived. If we cannot switch off this built-in alarm system of ours, it will quickly exhaust us, even turn against us.
There have been thousands of pages devoted to the skills necessary to raise a child. I am quite sure my father never read one book about parenting. Common sense was his guiding force. He was a humble, compassionate man who knew right from wrong, and good from bad.