Complex sentence: The children initially struggle to adjust to Mrs. Doubtfire's methods, but they soon begin to thrive, becoming happier and doing better in school while Miranda is able to heal her distant relationship with her children as she and Mrs. Doubtfire become good friends.
Split into simpler sentences: The children initially struggle to adjust to Mrs. Doubtfire's methods, but they soon begin to thrive, becoming happier and doing better in school. At the same time, Miranda is able to heal her strained relationship with the children as she and Mrs. Doubtfire become good friends.