Take self control and attention. How many people struggle with it, procrastinating? You want to do something, you know you have to do it, you like doing it... But you don't.

Because your brain doesn't listen to your mind. Because the brain is mostly a primitive autonomous system and needs to be constantly motivated, coerced, trained to do things that it technically doesn't need to (why do anything besides eat, survive, reproduce?)

Take away what we call the mind/soul, and we're just a basic animal, running reactively on instinct and reflexes.