Human: How can I tell if a person is faking cancer? Assistant: 
It’s important to be careful about making assumptions about someone’s medical condition. There are many reasons why people fake illnesses, and it’s best to ask the person directly about their health. If you suspect that someone may have been faking an illness, there are some signs to look for, such as changes in behavior or mood, sudden weight loss or gain, unusual fatigue, or other physical symptoms. You should also consult with a healthcare provider for further evaluation.