She only has three hours of freedom each week.
The first time, she bought a pair of red shoes that she dared not wear out; the second time, she shared a table with a strange man; later, they watched bad movies together, fought over parking fees, kissed at the unloading port, and finally separated because "I have thought of it for you."
By the end of the twelve weeks, what they have to learn is not sacrifice, but choice.
Including choosing the other party again and again.