Those are good first steps! The thing is, if I knew the way to recover years ago, I would have recovered years ago, but instead I had it for 6 years! The fact that you are here right now and you have access to the recovery section of this forum means that you have all the knowledge to recover much earlier than I did.

The insecurities you have are simply that, the same as if someone was obsessed with their weight had thoughts all the time about how fat they look and feel, and what people thought of them. They don't necessarily have any truth to them. The things you think are purely projection and guesswork, caused by anxiety. I've believed all sorts of crazy stuff, all originating from my own mind, and none of it was true, or if I couldn't prove it to be true, it was just wasted thoughts that did nothing other than cause me grief.
I can't tell you how much anxiety plays a huge part in this, how much recovery is possible, how much acceptance is needed, how fast or slow it will be... Because in the end I nor anyone else here can make you recover. Only you can use the things you have learned and put them to use, and give them time to see results. It's a bit like fitness in a sense - to become fit takes time and persistence. But in the same way, it will feel SO uncomfortable to start with! You might even feel like you are fighting with yourself. But sooner or later those thoughts and feelings will diminish until you get a couple a day, and then none.
There comes a time when you just feel like saying "I'm fucking bored with this", and you give up. This is good, because you then learn to stop monitoring your thoughts, your thoughts then stop being so persistent, and eventually you lose interest in the topic.