“You want the guys buying the red tools,” she said, making eye contact with each of us. “Red tools are a green flag.” “Why red?” Mom asked, drying a bowl with a rag. “Those are the expensive, professional ones.” She propped her foot on the edge of Grandma’s bed and did a hamstring stretch. “You could make an exception for a guy with yellow tools if he’s cute enough. But never green. Ever.”