Chapter Text
“... been called away to Colchester,” Sam is saying as her call is put through. “I’m afraid we won’t be back to London until Wednesday at the earliest. I didn’t want you to worry.”
Susan would have worried. Is worried. She picks up a pencil and begins writing out the soothing pattern of a Fibonacci sequence on the back of an envelope.
“Thank you for telephoning,” Susan says, trying to keep her voice calm. As if she is a landlady speaking to a lodger whom she’s only known for 79 days.
81 days by Wednesday.
79, 81, 160, 241, 401, 642…