Lots of interesting and instructive survival information from Robert Wayne Atkins.
For example: on how to survive as long-term house-guests:
Before you move in with your relatives or friends, have your entire family spend two consecutive nights sleeping on the ground under a bridge (unless the health of someone in your family would make this impossible). Someone will need to remain awake, and armed, and on guard duty all night to protect the family from harm. This can be done in shifts if you have enough qualified people. After the second night everyone in your family will have a totally new perspective on the value of the tiny bedroom that you will all share at your relative's or friend's home.
If you skip this step then you will have reduced the chance of your family successfully blending in by at least 50 percent. If you skip this step and you are evicted from the home of the family that was your first choice, then sleep under a bridge for two nights before you approach another relative or friend.
There is a tremendous difference between textbook knowledge and real world experience. Actually sleeping on the ground under a bridge for two nights is a real world experience. Simply thinking about what it would be like to sleep under a bridge for two nights is nothing more than an intellectual exercise.