My ex traumatised me but 9 months later I’m still not over him what can I do

So a bit of back story, I was seeing someone for 2 years ( 5 years on and off but 2 years consistently) we weren’t officially together but we were basically living together as he was renting my mum’s flat so we spent almost everyday together. Coming up to my birthday he ghosted me with no explanation and wouldn’t respond to my messages, obviously upset and confused I wanted to find out why and posted him on a Facebook group called are we dating the same guy, from this post multiple women came forward to say they have been seeing him and sleeping with him and then I found out that he is back with his ex and is moving to Dubai with her, he found out I posted him and smashed my wing mirrors in my car and never spoke to me again. He just moved out my mum’s flat a few weeks ago to move to Dubai with her but this had all happened last year. It’s been 9 months now, I’ve been on one date with someone but decided I wasn’t ready, I haven’t slept with anyone and have been debating just doing it to see if it will help me get over him, my friends have said it might help but I don’t really know. I don’t even know how I feel about him, I did love him but I know given the opportunity I wouldn’t go back to him but this doesn’t change the fact that I still think about him all the time I feel like I’m stuck and can’t really move on with my life, I had since moved into a new flat and got a puppy I’ve got no reason to be this sad and I’m very grateful for the life I live and just don’t want to think about him anymore! I find myself thinking about good times and crying and then find myself thinking about bad times and hating him and wishing bad on him but I don’t want to do that I don’t want to hold hate for him I just want to move on. I’ve been debating therapy but can’t really afford it right now as I’ve just moved so just looking for some advice on how to move on and get over him :(