Why can’t I move on?

It’s been about 9 months since we’ve spoken or seen each other. I just graduated yesterday and he watched my story for once in a minute and didn’t even congratulate. It’s supposed to be a joyous occasion but all I can think about is how much he doesn’t like me anymore. Or if he ever really liked me. I’m sad. I have a celebration party planned and I’m just sad. I wanted to know he cared or something or that there were some mutual feelings. It’s such a loser thing to say but I just don’t know why it’s taking me so long to move on from him. How can I do it? I am usually not really dazed by things like this. But now I feel I’ll be lonely forever and can’t make anyone fall in love with me
Why can’t I move on?
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