You shouldn't question people about every little thing.
Juan's female friend was telling him about her recent sexual assault.
Juan wants to tell his friend something.
Juan tells his friend that she believes her and gives her advice on contacting law enforcement.
Juan tells her that he thinks she's not telling the truth about the assault.
Juan's friend feels closer to him and trusts him more.
Juan's friends feels betrayed by him and wants to spend less time with him.