How do I end this awkwardness?

I have this guy friend and we used to be besties he would walk with m to my classes we would hang out outside of school since he is my neighbor. I liked him earlier in the year and my friend told him that and he said he sort of likes me but sort of doesn't, after that we stopped talking. he currently has a girlfriend and his girlfriend and I don't get along. What can I say to him to fix this mess I want to start over and be friends again!! He is so nice what in the world do I say when I see him?
How do I end this awkwardness?
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