My scars aren't that old- your scars must be pretty bad if you can still see them after years. Please don't say you are dumb, it must have been a hard time for you when you did this and the greatest thing is that you have gotten over it. Anyway, I am glad you stopped because it is not worth it. I know how you feel - like rewinding time...
Well since I am still trying to find ways to hide my scars, my advice is not the greatest but I will try:
1) long sleeves- keep the scars away from the sun, it makes them darker
2) scarzone cream seems to work ok, I have just started using it
3) vitamin k cream
4) cocoa butter- only seems to work on darker skin though
i hope this has helped, hope one works for you. Take care and let me know how you are doing.
I am only a teen so I have trouble getting expensive stuff too- these aren't that expensive though.