I have been friends with Sally ever since we were very little. She has always been quite paranoid. But things are getting crazy. She is constantly worried that people are out to get her even her friends, family and her partner. She thinks her partner of almost 2 years doesn't really love her and is only going out with her for a joke. She sometimes questions our intentions and thinks we lie to her. It's like she makes up that crazy stories and convinced they are true but has nothing to back it up. Sometimes she rings us in tears about things and we can't see any reason for her to be upset let alone any reason for her to believe the things she does. We are getting very worried about and I am scared that maybe some sort of a mental illness is causing all of this. We don't want to mention this to her and freak out and I don't want to be over reacting... ahh what should I do? Sally has always been the younger minded one in the group and I feel we have all grown up and she is still a kid.