Ginny watched Evan out of the corner of her eye as he moved closer to her. When his nose touched her cheek, she thought, briefly, of freaking him out entirely by turning and kissing him. But she didn't. That wasn't the kind of joke she liked to play. And she would think about what it meant that she even had that thought in the first place later.
"I have no idea," she replied. "But these things aren't always about fancying someone. Sometimes, it's about simple attraction on a physical level." She didn't mention that he didn't completely live up to the rumours about him. It would have gone over Evan's head anyway. He was infuriatingly brilliant, but when he didn't care about something, he didn't know about it, and she knew that.
"What sort of tower?" She didn't have the mind for creating buildings, but she loved looking at them. Architecture as art was fascinating to her.