What is the skill they should teach ? To always eat lunch before doing a psych experiment? To like sugar, or marshmallows in particular, just slightly less? Th

What is the skill they should teach ? To always eat lunch before doing a psych experiment? To like sugar, or marshmallows in particular, just slightly less? That high self-control in extremely low-reward situations is good? Teaching a child to do basic budgeting with pocket money is likely to have a vastly higher impact than slight delayed gratification with candy.