How to Deal With a Teenager With Mental Health Issues

Two men and a woman just came through her back door. She didn't ask us if it was okay to have these people over or tell us they were coming. As I'm trying to explain myself from these two individuals, it's making me not even want to do this anymore. "I can't believe the people think to not want to do business with you all because of a review where the lies people put on your business"