Explanation
“When you talk about your boy, you glow,” the woman explained. “You’re a blessing to him, I want to bless him too!” Rob’s face, when he had talked about his son, had been beaming with pride, and the mysterious woman had been touched by his fatherly love.
When Rob understood, he was at a loss for words. So, he snapped a picture of the kind woman and went about his errands.