" Mrs Barber smiled back at her; but the smile quickly faded. She lowered her gaze, and her eye was caught by something on the stretch of balustrade on which they were perched. She put her hand to it and, ‘This is marriage, Miss Wray,’ she murmured. ‘This is marriage, exactly.’ She had found a spot on the rail where the paint was chipped, exposing several older colours, right down to the pale raw wood beneath. Running her fingers over the flaw, she said, ‘You don’t think about all these colours when everything’s going all right; you’d go mad if you did. You just think about the colour on the top. But those colours are there, all the same. All the quarrels, and the bits of unkindness. And every so often something happens to put a chip right through; and then you can’t not think of them.’ She looked up, and grew self-conscious; her tone became ordinary again. ‘No, don’t ever get married, Miss Wray. Ask any wife! It isn’t worth it. You don’t know how lucky you are, being single, able to come and go just as you please— "

― Sarah Waters , The Paying Guests