Appetite appetite levels may increase and result in an increase of food intake. Decreased desire to eat is termed anorexia, while polyphagia (or "hyperphagia") is increased eating. Dysregulation of appetite contributes to anorexia nervosa, bulimia nervosa, cachexia, overeating, and binge eating disorder. A limited or excessive appetite is not necessarily pathological. Abnormal appetite could be defined as eating habits causing malnutrition and related conditions such as obesity and its related problems. Both genetic and environmental factors may regulate appetite, and abnormalities in either may lead to abnormal appetite. Poor appetite (anorexia) can have numerous causes, but may be a result of
Desire discrepancy desire for sexual intercourse, what they actually feel is a desire for interpersonal closeness and reassurance. In such cases, treatment focuses on teaching individuals how to differentiate desires for closeness from desires for sexual intercourse and express them in a more appropriate manner. Sometimes, desire discrepancy may arise when partner A feels repeatedly rejected after their attempts at initiating sex. This may be because partner B is simply not interested or not in the mood but may also be because partner B just happens to be more passive in nature and thus relies on partner A to do the initiating.