Olivia Sudjic said this quote

Though I did not know her exact address, that she appeared to live almost within breathing distance of Robin, and that I lived with him, and that her pictures showed that she was now dating the mysterious Rupert Hunter, our despotic mothers, our absent fathers, the borders we had both crossed, all our many parallels and connections at every point, could not be chance. I saw it as evidence of the hidden connections between things, an all-powerful algorithm that sifted through chaos, singling out soulmates.