How does this part of dr. jekyll’s confession provide information about his struggle to control his good and evil sides? it shows the terrible things that can happen as a result of changing personalities too often. it explains what allowed him to split himself in two and why he can no longer continue to do so. it explains where he located the supplies for the potion and how he plans to get more. it shows the difference between dr. jekyll’s potion-making skills and mr. hyde’s.