This is the excuse Kylee gives every time she is asked to play sports with her other classmates or outside of school, especially since she is very obese.
But it is also possible that she really believes it, truly believing that she is superior, caused by her wealth that is above all the students in the school.
In both cases, she escapes the physical effort and justifies staying so fat, much to the discouragement of these physical education teachers, who cannot force her, especially since her father is the biggest donor in this school.
