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Ionic is the ‘opposites attract’ chemical bond,” Elizabeth explained as she emerged from behind the counter and began to sketch on an easel. “For instance, let’s say you wrote your PhD thesis on free market economics, but your husband rotates tires for a living. You love each other, but he’s probably not interested in hearing about the invisible hand. And who can blame him, because you know the invisible hand is libertarian garbage.” She looked out at the audience as various people scribbled notes, several of which read “Invisible hand: libertarian garbage.” “The point is, you and your husband are completely different and yet you still have a strong connection. That’s fine. It’s also ionic.” She paused, lifting the sheet of paper over the top of the easel to reveal a fresh page of newsprint. “Or perhaps your marriage is more of a covalent bond,” she said, sketching a new structural formula. “And if so, lucky you, because that means you both have strengths that, when combined, create something even better. For example, when hydrogen and oxygen combine, what do we get? Water—or H2O as it’s more commonly known. In many respects, the covalent bond is not unlike a party—one that’s made better thanks to the pie you made and the wine he brought. Unless you don’t like parties—I don’t—in which case you could also think of the covalent bond as a small European country, say Switzerland. Alps, she quickly wrote on the easel, + a Strong Economy = Everybody Wants to Live There. In a living room in La Jolla, California, three children fought over a toy dump truck, its broken axle lying directly adjacent to a skyscraper of ironing that threatened to topple a small woman, her hair in curlers, a small pad of paper in her hands. Switzerland, she wrote. Move. “That brings us to the third bond,” Elizabeth said, pointing at another set of molecules, “the hydrogen bond—the most fragile, delicate bond of all. I call this the ‘love at first sight’ bond because both parties are drawn to each other based solely on visual information: you like his smile, he likes your hair. But then you talk and discover he’s a closet Nazi and thinks women complain too much. Poof. Just like that the delicate bond is broken. That’s the hydrogen bond for you, ladies—a chemical reminder that if things seem too good to be true, they probably are.” She walked
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