Are you sure it isn't just a matter of coming from Toronto to Boston? That is, could you just be noticing the striking difference between two cities?
I think if I lived in, say, Houston, and then moved to Charleston I would experience the same sort of feeling of discomfort until I got used to the new scene.
Nobody living can ever stop me
As I go walking my freedom highway.
Nobody living can make me turn back:
This land was made for you and me. (Woody Guthrie)