Today, Post advice columnist Carolyn Hax offers some guidance to the splintered British royal family.Read more:Lately, there’s been a lot of news about the British royal family. There’s a Netflix documentary series about Harry and Meghan, and this week Harry released his new memoir, “Spare.” Both are packed with surprisingly intimate details about the lives of the former royals, including Harry taking magic mushrooms at a celebrity party as well as intentional palace leaks to the tabloids. From the outside, it seems like the royals have a lot of work to do to rebuild their relationships.That’s where Post columnist Carolyn Hax comes in. In today’s episode, Carolyn gives advice about a few key scenarios that are all about the royal family but could easily be relevant to many people’s lives.