I played with dolls until I was 15. My mother encouraged it because my older sister got married when she was 15, so Mom thought that the longer I stayed with dolls, the better.
Justice requires that everyone should have enough to eat. But it also requires that everyone should contribute to the production of food.
Yes - it's the same in any other work - the more you massage your thinking the more capable I believe you are of expanding how you go about things and learning.