Am I just not over him?

I was with a guy for almost 5 years and everything ended because during an argument we had he had sex with his boss who is 9 years older! He swore to me he didn't have anything for her that he only did it because it was just sex and he knew it couldn't be anymore than that but she ended up pregnant! Apparently she's in "love" with him and wants to be with him long story short after a talk they had he told me I didn't deserve any of this and that he didn't want me looking for him anymore or talking to him. Now I feel like I want him even tho I know I don't need him

And I randomly get these impulses just to text him or I'll randomly wake up at night thinking that I'm gonna call him or on my days off of work and I have plans I get these thoughts that I'm gonna invite him along then I remember that we aren't even together anymore! Am I just not over him?