Because she grew out of her B shells.
A puppy eventually grows up and stops whining. Thanks to PuddinHead742 for this one.
Because their knee grows.
Super Man wears his underwear over his pants..
Because she can't fit into D shells
20 "Twenty-*one*. She got the last one when she wished for legs."
To cover up their Ariel-as.
Because a and b shells are too small.
Because "B" shells would be too small!
Because B-shells are too small and D-shells are too big!
Because B-shells are too small, and D-shells are too big.
