My daughter Lucy walked 100 kilometers on the Camino a few weeks ago. The experience was transformative. Every picture she sent back was joyful—purely joyful. I have a photo of her dancing on the Camino that makes me tear up every time I look at it. Her group was comprised of about 100 girls from the United States under the watchful eye of Opus Dei Numeraries. It wasn’t just a walk but a retreat…