Advice?

Okay so I have a huge crush on my old best friend and he had one on me too which is why we quit being friends because short story I moved schools and towns so we never get to see each other (we only live an hour away) so we decided to stay friends. But ever since we had our last conversation about it 2 weeks ago I have not stopped dreaming about him. It’s making Mr depressed that I can’t stop dreaming about him. I have tried watching Netflix while or before I sleep and music and nothing is helping. My mind cannot shut off about him (so not in a creepy way) like I can’t stop thinking about our conversations or when we would hang out or if we tried dating. Help please I’m desperate. :((