hit the gym and do some weight-lifting, solve two problems at once. Also just go out and hit the bars. (okay maybe not the greatest advice right now). Unlike the author my parents were solidly working class so I always was very aware of straddling two very different social circles, between academia and tech work and the people I grew up with. There's no reason to live in either bubble really and in a big city it's not that hard to have a healthy social circle, just requires leaving your comfort zone.