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full of books? He couldn’t be bothered to help. And yet each time they were together, she felt this practically irresistible urge to kiss him. Which was extremely unlike her. And yet after each meeting—which she ended as soon as she could because she was afraid she would kiss him—she felt desperate and depressed for the rest of the day.
    “I need to go,” she said.
    “Business as usual,” he retorted. But neither of them moved, instead turning their heads in opposite directions as if looking for the person they’d actually meant to meet in the parking lot even though it was almost seven o’clock on a Friday night and the south lot now contained only two cars: hers and his.
    “Big plans for the weekend?” he finally ventured.
    “Yes,” she lied.
    “Enjoy,” he snapped. Then he turned and walked away.
    She watched him for a moment, then got in her car and closed her eyes. Calvin wasn’t stupid. He read Science Journal. He must have known what she was implying when she mentioned bombykol, the pheromone released by female silkworms to attract male mates. Worms, he’d said almost cruelly. What a jerk. Andwhat a fool she’d been—so blatantly broaching the subject of love in a parking lot, only to get rejected.
    You’re not interested, she’d said.
    Not at all, he’d replied.
    She opened her eyes and shoved the key in the ignition. He probably assumed she was only after more lab equipment anyway. Because in a man’s mind, why else would a woman mention bombykol on a Friday evening in an empty parking lot when the soft breeze was coming out of the west carrying the scent of her extremely expensive shampoo directly into his nasal cavity unless it was all part of a plot to get more beakers? She couldn’t think of another reason. Except for the real one. She was falling in love with him.
    Just then there was a sharp rap to her left. She looked up to find Calvin motioning for her to roll down her window.
    “I’m not after your damn lab equipment!” she barked as she lowered the pane that separated them.
    “And I’m not the problem,” he snapped as he bent down to face her straight on.
    Elizabeth looked back at him, fuming. How dare he?
    Calvin looked back at her. How dare she ?
    And then that feeling came over her again, the one she had every time she was with him, but this time she acted on it, reaching out with both hands to draw his face to hers, their first kiss cementing a permanent bond that even chemistry could not explain.

Chapter 5
    Family Values
    Her lab mates assumed Elizabeth was dating Calvin Evans for one reason only: his fame. With Calvin in her back pocket, she was untouchable. But the reason was much simpler: “Because I love him,” she would have said if someone asked. But no one asked.
    It was the same for him. Had anyone asked him, Calvin would have said Elizabeth Zott was what he treasured most in the world, and not because she was pretty, and not because she was smart, but because she loved him and he loved her with a certain kind of fullness, of conviction, of faith, that underscored their devotion to each other. They were more than friends, more than confidants, more than allies, and more than lovers. If relationships are a puzzle, then theirs was solved from the get-go—as if someone shook out the box and watched from above as each separate piece landed exactly right, slipping one into the other, fully interlocked, into a picture that made perfect sense. They made other couples sick.
    At night, after they made love, they would always lie in the same position on their backs, his leg slung over hers, her arm atop his thigh, his head tipped down toward hers, and they would talk: sometimes about their challenges, other times about their future, always about their work. Despite their postcoital fatigue, their conversations often lasted long into the early morning hours, and whenever it was about a certain finding or formula, eventually, invariably, one of them would finally have to