> "In the interference pattern of light, light and dark alternate, but if the wavelengths are the same - there is only light."
——Excerpted from Xiang Qing's circle of friends in the book
> A 30-year-old female postdoctoral fellow in physics met the junior student she rejected ten years ago on the "Rent Me Home" app.
> Three days of agreement, thirteen years of waiting, a bowl of noodles without salt.
> "You're the only thing I didn't say 'okay' to."
