ROTI: Return On Time Invested.
If you could calculate whether your current task is EFFECTIVE – that is, leading towards your goals, you can begin to calculate your ROTI.
Is this the best use of my time right now?
Raising kids is another analogy. Some things take time; preparation, have multiple stages and end goals are vaguely defined but important.
Having and raising aren’t always together. Teachers, grandparents, aunts and uncles also raise kids and they don’t have to think about pizza.