Our friend Sho used to ski a lot , so he was teaching Johnny how to ski . My poor baby , he fell a lot , but I think he also picked it up pretty quick . Fortunately I did n't forget too much so I could still keep up pretty well . But I was definitely out of shape .
According to the above context, choose the best option to answer the following question.
Question: Why is the narrator struggling a bit ?
Options:
- They are just learning skiing .
 - None of the above choices .
 - They are out of shape .
 - They used to ski a lot .


They are out of shape .