I Said, " No" To A Man Who Was A

I said, " no" to a man who was a friend. Now he is accusing, lying, gaslighting, twisting, to others. I have no desire to "out" him. I just needed to clarify boundaries. I also needed to untwist my mind from all the contradictory and mixed messages. I asked him to help clarify. It just got worse. He started seeing a long term friend of mine recently and has been lying to her about me and it is putting a strain on this and a few other relationships. He always thinks people are stalking him. I have kept distance. I'm hoping if he begins to genuinely like this other gal, it might begin to take his focus off the need to talk about and almost attempt to destroy me. So few understand. I have been reading and have come up with possible answers for his behavior. Delusional disorder really spoke to me about this. He has had much trauma in his early childhood, especially from his stepmother He has a diagnosis of paranoia and Obsessive- compulsive disorder. He said it was like Sybil. He had previously said he had a criminal mind and had used mind control. All was well in our friendship till he started to act like he liked me. Once that crossed over a different person appeared. If he continues to like this gal, I am hoping the emphasis will fade off me. I may have lost some friends, however, I was a good friend to myself in asking questions, setting boundaries, and gently confronting the negative behavior, while respecting him. The only thing that works for me is distance and truth so I have been educating myself. What truly hit home was reading an article on the Delusional Disorder. I need encouragement, as it has been a lonely place with all the needless rejection from those he talks with. However, I am getting stronger, and using this to learn from afar. Peoples external like or dislike of me is not nearly as important as protecting my internal esteem, and integrity. Also important to me is group wellness. It amazes me how easily some can listen to one person's perception and accusations about another without stopping to verify with the one being spoken about. I am healing and much more aware that this kind of stuff could go on. He told someone he likes me and told me he did not. The more education and truth I get, the freer I become. A way I can cooperate with the healing process is to go on with my life with others, continue to educate myself, remember who I am, (kind, loving, intelligent, sensitive, (and now from dealing with this bold). Not sure what my question is, just wanting another professional to weigh in.