Is this guy living in denial, insecurities or what?

Anonymous
Long story short: His first girlfriend left him, he came back home because he could not digest the break up because he could not let go the next year he started chasing his ex again even if she had a boyfriend. He planned trips with her (she went but brought a friend with her). Then he met me in 2020, It was attraction at first sight. When I asked him his relationship status, he said that he is in a relationship but its not full-on. We kept talking but soon I realised that he isn't even in a relationship, he is in denial. I was helping him to move on but he won't, too stubborn. He spoke about me with his friends and his ex but won't get close to me. Recently, a situation cropped up with his parents (he did not tell them that his ex girlfriend left him) and he put me down and was valuing her. It went too far so i spoke to his parents and asked them to help him move on. Now, he is pushing me away because I told his parents the truth after he has been lying to them for 4 years.
What is this immaturity? Denial? psychological issues? Insecurities?
I am supporting him because we are related and we like each other.

Has anyone been through something similar?
Is this guy living in denial, insecurities or what?
2 Opinion