As a naturally quiet person, I've never found it easy to make friends—but it wasn't nearly so difficult back in high school and college, when I saw the same people every day. In addition to that loss of shared proximity, adulthood brings busy schedules and other complications that stand in the way of meeting people.
With that in mind, I asked experts—and people working hard to expand their social networks—how to make friends at every life stage, from your 20s to your senior years.
