One obvious implication of this is that we should be making our homes in warmer climates. Even if you, personally, have high resistance to foul weather, it's going to be tougher to get people to walk and converse with you year-round in Boston than it would be in Miami.

This conflicts with the observation that, at least in modern times, the colder parts of the world have tended to produce the better thinkers. I'm not sure it would be smart to move from Cambridge to South Beach in hopes of leading a more intellectually fruitful life...