"Over the years, Steve has come to understand I need the clicker. He says it's my security blanket."

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She found out that having something to do prevented you from feeling seasick, and that even a job like scrubbing a deck could be satisfying, if it was done in a seamanlike way. She was very taken with this notion, and later on she folded the blankets on her bunk in a seamanlike way, and put her possessions in the closet in a seamanlike way, and used 'stow' instead of 'tidy' for the process of doing so. After two days at sea, Lyra decided that this was the life for her.

— Philip Pullman