Complex sentence: She had a habit of walking into a room where adults were talking about something confidential and demanding (in a friendly way) to know what was transpiring, and usually sought her mother's help when experiencing a dilemma.
Split into simpler sentences: She had a habit of walking into a room where adults were talking about something confidential and demanding (in a friendly way) to know what was transpiring. She usually sought her mother's help when experiencing a dilemma.