Read the following context and choose the best option to answer the question.
Context: My legs are like rubber bands and the kids have more energy than ever today ! Because I woke up late , I did n't get my shower first thing this morning . So when DH finally came down after getting himself ready , I was curled up on the couch half awake .
Question: Why is the narrator struggling to get going ?
Options: 
A. Their legs are paralyzed .
B. Their legs are weak .
C. They are sleeping on the couch .
D. They do n't want to leave the couch .


B