Zhang Yu initially felt warm from soaking her feet, and with a saltwater bottle in the bed, it quickly became cozy. She could finally stretch her legs.
If only she had a hot water bottle—it would retain heat longer. But hot water bottles are in high demand these days; after all, their raw materials are scarce in this era.
The family actually has a copper hot water bottle. Yao Ying wrote to Zhang Yu in early winter, asking if she needed it and offering to send it over.
Such a valuable item, how could Zhang Yu feel safe letting them mail it? Even if it arrived safely in her hands, it's such a conspicuous item that she didn't dare use it.
Sigh, never mind, at least there's a saltwater bottle. Lying in the warm bed, feeling all sleepy, she suddenly heard Zhao Tong asking her what she planned to take home for the Spring Festival.
