Learning to recognize the difference between want and need is probably the biggest problem people face. Some folks never get it. The more domesticated you are as a human, the more you think you need. I've lived without running water, indoor plumbing, refrigeration and electricity for the last few years. When I can use those facilities--something like endless streams of hot water running from a tap--I recognize what luxuries they really are. I've found I don't really need them and as such my want for them has subsided quite a bit. The simpler the life, the better and more satisfying it becomes. Most would never agree, nor even try it.