Complex sentence: In everyday interactions Genie became steadily more willing and able to speak during her stay with the Riglers, often spontaneously contributing to an ongoing discussion, and sometimes doing so even if the conversation did not initially involve her and was not specifically about her.
Split into simpler sentences: In everyday interactions, Genie became steadily more willing and able to speak during her stay with the Riglers. She could spontaneously contribute to an ongoing discussion, and was willing to do so even if the conversation did not initially involve her and was not specifically about her.