Perfectly!
But you do not take into account the many nuances.
For example, the elementary need to feed and clothe the children. Not everyone has the finance stocks for quite a long time to be without work and to provide the basic needs of themselves and their children.
Another serious problem is self-discipline. How many people can adhere to the training regime? There are options, but a very fine line between the need for training and the desire to mess around, play ...