What was the promise with the head sick?

“She walked rather quickly; she liked to be active, though at times she gave an …”

“And as the moon rose higher the inessential houses began to melt away until gra…”

“When I see a beautiful shell like that I can't help feeling a regret about what…”

“She wouldn't let go of the letter. She took it into the tub with her and squeez…”