“A signature scent is a brand,” she said. “It works fabulously for helping people make emotional connections with places, but if a person wears the same perfume all the time, you risk muddying the memories.” She leaned back in her chair, contemplative. “I remember when I was younger, I learned about this artist named Andy Warhol—he would wear a fragrance for a while, and then put it in his museum, as he called it. Whenever he wanted to go back to a particular time, he’d just open that bottle.”
