Some old friends came to visit me in Boston this past weekend. We may only be in our mid-20s, but we’ve known each other since high school — I’ve known two of the women in this group for more than 15 years. And I’m pretty sure that meets the minimum requirements for old friends. We grew up in South Kingstown, Rhode Island and we were brought together by honors classes, but we’ve stayed in touch because of Suncook Lake in New Hampshire. There are six of us who have gotten together on this lake most summers since we graduated from high school. There’s no internet at the cabin there and…