Anne Frank is outgoing and always the center of attention due to that. On the other hand Margot Frank is very shy, and never really gets much attention from her peers.
I just finished listening to the play for my English class so I hope this helps you!
This is true. The line "Fainting I follow, I leave off therefore" contains both a caesura and alliteration that are each offset by the other--contributing to the power of both.