“Why?” is only halfway.
If I can come to understand, conclusively, why someone behaves the way they do (myself included), my explanation of that discovery will contribute to making a positive change. But the explanation is not itself the solution.
“What next?” is the rest of the way. “What?” moves us from investigation to iteration, and “next” requires us merely to venture the next step; we aren’t declaring once-for-all solutions here. If this step fails, we’re back to “What next?”
This is a post about parenting.