Human: What should I do if I've been cheated by someone? Assistant: 
If you have been cheated by someone, the first step is to contact the police or local authorities. They can help investigate and take action against the person who has cheated you. You may also want to consult a lawyer to discuss your options and explore legal remedies. Additionally, it is important to take steps to protect yourself from further harm, such as changing passwords, alerting family members and friends, and reviewing your financial records for any suspicious activity.