Everyone needs to realize why am I here? It comes in everyone's life; you ask why am I here? What am I doing? Once you are able to answer that question for yourself honestly, you have smooth sailing.
If kids grow kale, kids eat kale. If they grow tomatoes, they eat tomatoes. But when none of this is presented to them, if they're not shown how food affects the mind and the body, they blindly eat whatever you put in front of them.