Final answer:
The client's behavior likely indicates body dysmorphia, a condition where individuals have a distorted perception of their body image.
Step-by-step explanation:
The client who has recently lost 75 pounds and continues to dress in loose, baggy clothing and frequently talks about being fat is likely experiencing body dysmorphia. Body dysmorphia is a mental health condition where individuals have a distorted perception of their own body image. Despite the significant weight loss, the client still sees themselves as overweight and may struggle with self-acceptance.