Very very rarely do people change, even if he did, here you are on Reddit with Anxiety, which will never fully go away.

You need to look after yourself, before it is too late. I am 40 years old, I have made the same mistakes over and over, trusting people I shouldn't, dating people that were not right for me, now here I am, full of anxiety and a huge case of the can no longer be fucked with relationships because of decades of torture basically.