Why did he act this way what am I doing wrong?

Anonymous
I need help to be honest I’m not sure why this keeps happening to me but me and my at the time boyfriend had been talking, mind you we dated before this he left without reasoning or explaining but when we got together this time he told me why he left. He wasn’t mentally ready for a relationship because his best friend had just passed I was completely okay with this even tho my feelings were hurt, anyway this time around he said he was ready I said okay we got together everything was cool. So he comes over even tho it was raining I thought that was sweet because he really didn’t have to, anyway he comes over we’re chilling I’m on the phone with my friend and she’s with her boyfriend we’re all talking my friends kept telling him to kiss me because I let her know prior to this that he hasn’t made that move yet. She’s doing that eventually we get off the phone me and him are watching TikToks, he decides to kiss me and he keeps kissing me one thing leads to another ofc we have s*x I’m shy so it takes a while for me to actually get into action with him. He doesn’t rush it at all we do it after I notice he’s distant a little doesn’t want to cuddle he’s just ready to leave we talk a little after that he gives me a hug and he leaves, everything was fine like 3 weeks later out of the blue he just stops talking to me ( like he did the last time we dated) I’m texting him but not getting a response even though he’s active I don’t blow his phone up or go crazy I just texted him a short message and he never replied I took that as the end of our relationship I don’t know why he’s doing that why he did that because after we did have s*x I asked how it was he said it was good he asked me I said the same thing I don't know if he had a commitment issue of if I’m just not who he wants even tho he chased me for four years 🤦🏽‍♀️ why is he doing this did I do something wrong is it me or is it him and I can’t get him out of my head at all it feels as if he was made for me..
Why did he act this way what am I doing wrong?
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