Complex sentence: Tony makes an appointment to see Dr. Melfi as a patient, as a ruse to confess his love to her, in-person; he impulsively grabs and kisses her, but Dr. Melfi tells him to stop.
Split into simpler sentences: Tony makes an appointment to see Dr. Melfi as a patient as a ruse to confess his love to her in person. He impulsively grabs and kisses her, but Dr. Melfi tells him to stop.