In general, I've found that it just gets harder and harder to meet and make close friends the older I get. Maybe it's a gender thing; my wife seems to have maintained her group of girlfriends since high school. But maybe it's just a reality of life.
Minnesotans are always looking for ways to live a longer and enjoy more well-being. With long winters, we have to work extra hard to not feel frumpy and depressed. Concerts are the solution, apparently.