" She loved these walks through London. She seemed, as she made them, to become porous, to soak in detail after detail; or else, like a battery, to become charged. Yes, that was it, she thought, as she turned a corner: it wasn’t a liquid creeping, it was a tingle, something electric, something produced as if by the friction of her shoes against the streets. She was at her truest, it seemed to her, in these tingling moments—these moments when, paradoxically, "

― Sarah Waters , The Paying Guests