Who gets to be the judge of reality? If it was deeply felt, believed, spoken about often or altered your life course, then it was real enough. Faith doesn’t get the luxury of all those things one hundred percent of the time, but we call that normal behavior based on a gut feeling.” I said. I looked at his wife and she busted out laughing. Her husband was trying to catch invisible butterflies above his head—dementia. My patients teach me the most sobering of truths: Why wreck his smile. If I could see them, I would want to catch them too.