Complex sentence: Curtis grudgingly sees a counselor at a free clinic, with whom he talks about his family's psychological history his mother (Kathy Baker) suffers from paranoid schizophrenia that surfaced in her at about the same age that Curtis is now.
Split into simpler sentences: Curtis grudgingly sees a counselor at a free clinic, with whom he talks about his family's psychological history. His mother (Kathy Baker) suffers from paranoid schizophrenia that surfaced in her at about the same age that Curtis is now.