Circle of Control I think it is crucial to teach children at a young age that they cannot stress about things out of their control. I know personally, it took me a very long time to grasp this concept because I was never taught as a young student. This will help with mental health issues in that students will learn how to manage their anxieties.
There is no single definition of codependency. It looks a little different on everyone. People pleasing, poor boundaries, attracting problems and helping too much are common. Putting the focus back on you and letting go of what the alcoholic does is the start of 12 step recovery.