Hard and fast

I was set up with a guy at the beginning of lockdown last year. He was great, I fell fast & hard. We had a brilliant 3 months but things ended because he had too much on his plate. I thought about him every single day for 7 months. We reconnected in April this year, I was over the moon although he had changed & not necessarily in a good way. I thought he would go back to the person I used to know but he didn't, something just wasn't right & he's not one for talking so I ended it. Now I'm just heartbroken & confused & back to thinking about him every day.