[tomtheelder]

We are uniquely adaptable, but our ability to adapt does not necessarily imply that there are not ideal states. Not only that, there are clearly limits to our adaptability. We can be pushed to the point that we begin to break.

An awful lot of research exists to suggest that exposure to the outdoors has positive effects on mood and well being, and a veritable ocean to suggest that loneliness is toxic to both mental and physical health. It's not a simple appeal to nature- there is empirical data backing the claims that the original commenter made.