The aim of this study is to get information about the relation between negative affects and obesity. Sample of the study consists of 27 morbid obese people who applied Marmara University Pendik Training and Research Hospital for consent of bariatric surgery. Participants are 20-60 years old adult individuals who are in morbid obesity class (BMI ?40) and have not received any psychiatric diagnose. Control group also consists of 27 people who have not received any psychiatric diagnose, and at normal weight (BMI: 18.5-24.9). A psychoanalyses-oriented pre-interview was made with volunteer participants, a demographic information form was completed, Rorschach Test and Thematic Apperception Test were applied. Each two group was evaluated in terms of processing affections, coping with negative affectivity, separation of first object and loss anxiety. Results of statistical and content analyses are that morbid obese people have a difficulty in coping with anxiety of loss object and depressive affectivity and in the face of negative affectivity hypomanic defense and oral investments are an increasing way. Also, important findings were found about pregenital stage relationships including symbiotic imaginations, separation of maternal image and capacity to be alone.