He sheltered Charlotte from her father and sister after they beat and starved her, and in the process, he developed feelings for her. His final revelations is that Charlotte is actually Grandmother Cutler's daughter, the product of rape by Grandmother Cutler's father.
He safeguarded Charlotte from her father and sister, who often abused and neglected her. As a result, he began to have feelings for her. The final piece of information he revealed was that Charlotte is actually Grandmother Cutler's daughter, conceived through rape by Grandmother Cutler's father.