Wa `alaykum as-salamu wa rahmatullahi wa barakatuh.

 

It seems you went through a lot of ups and downs in your life. In short, repentance will erase all the past of faults or short comes.

 

But what I think you need is a close counseling sessions with an Imam who is aware of such details or a professional to help guide you move on. See if they are any in your area, it will be lot helpful.

 

Almighty Allah knows best.