Precious means to have great value or something that is treasured because it is priceless
According to Emerson, what is a "lover of nature?" ... A lover of nature is a person whose inner and outer senses are still aligned, who remains young at heart and who feels the necessity of communicating with nature on a daily basis.
She buys her husband something for his watch by cutting her hair& selling it to buy something for his watch for him.
he sells his 2atch to buy her something for her hair.