The Rev. William Skipper's ancestors Sir Philip Wentworth (died 1464) and Mary Clifford are ancestors also, in various lines, of both H.M. the late Queen Mother (and thus H.M. the Queen, the Prince of Wales, and Prince Harry) and of the late Diana, Princess of Wales.
Pivotal means important, but it has the sense of centrality and turning.
You can spend a lot of your time concerning yourself with whether or not something is edgy enough for you to be doing it, or you can just live your life the way you want to (which weirdly enough is edgy af, especially since as a teenager, everybody's trying to tell you how to live your life).
Current energy-efficient refrigerators, for example, use 40 percent less energy than conventional models did in 2001.