Its been more thn 2 years since my breakup but I still have dreams about him &it hurts. He's happily moved on right after the breakup, i'm struggling?

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I tried dating other guys, getting myself out there but i guess I'm too scared that it will turn out to be exactly like my previous relation. Plus I'm not able to get interested in a guy at that level. What to do?
Its been more thn 2 years since my breakup but I still have dreams about him &it hurts. He's happily moved on right after the breakup, i'm struggling?
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