Read the following context and answer the question.
Context: Yesterday I did n't walk or otherwise exercise . Today , I was hoping to make up for it by walking 6 km . I think I did about that distance , but it 's hard to tell from Google maps .
Question: Why is the person attempting to make up for not exercising on the day prior ?
Answer:


They are committed to improving their physical fitness and are trying to set a quota for themselves