Millennials Not the Life of the Party

For young adults, house parties are so yesterday: According to Bureau of Labor Statistics data, the average 15- to 24-year-old spent just 9 minutes per day hosting or attending a social gathering in 2014, down from 15 minutes in 2003. In fact, fully 41 percent of high school seniors did not attend a single party in 2014, up from just 12 percent in 1987.…