Nothing heightens the senses or allows one to feel gratitude and connection more intensely than being on the road, alone. Free of concerns about an anchoring safety net's demanding maintenance, an existence driven by the thrills of a great unknown can become addictive. It IS vital though for the traveler to learn how to take care of oneself and, almost as importantly, of its personal means of transport, if applicable.
There are numerous ways a person might get caught up in a nomadic type of existence. Some are forced by their environment, others by are pushed by instinct or conscious deliberation. The open road, with its sometimes breathtaking scenery and people, still carries its primeval gifts, even in these Amazon-dictated times.