Article continues below advertisementPrince Harry and Meghan Markle are said to be struggling emotionally in the aftermath of King Charles' hit high-profile U.S. visit, with sources telling OK! the trip has proved "deeply triggering" for the couple as tensions with the royal family continue to simmer.The 41-year-old Duke of Sussex and his 44-year-old wife, who stepped back from royal duties in 2020 and now live in California, have found themselves at the center of renewed scrutiny following Charles' four-day state visit to the United States with Queen Camilla, 78.