About eight months ago, 14-year-old shelley went on a drastic weight-loss diet that caused her to drop from 110 to 80 pounds. although she is now dangerously underweight and under-nourished, she continues to think she looks fat. her frustrated father recently forced her to eat a peanut butter sandwich, but shelley immediately went to the bathroom and threw it all up. shelley most clearly suffers from

cognitive overload: having a lot on your mind impairs decision-making and tends to result in the simplest, but not necessarily best, option being selected.

empathy gaps: overlooking how you might feel in a different situation can result in unnecessary purchases, such as overbuying when shopping for food on an empty stomach.

optimism and overconfidence: wearing rose-tinted glasses and having unrealistic expectations about the future can affect money management and leave you unprepared for a change in circumstance.

instant gratification: seeking instant gratification drives impulsive spending and can undermine long-term planning and savings.

harmful habits: automatic or mindless behaviour can amplify a poor financial decision as it becomes a recurring event.

social norms: we are heavily influenced by the actions of others; while this can be in certain circumstances, it also contributes to the pressure to keep up with the joneses through conspicuous consumption.