Prince Harry returned to the U.K. for the 10th anniversary of the Invictus Games, but the Duke of Sussex didn’t meet with his father, King Charles. The duo hasn’t been reunited since Harry’s February trip to London, and royal experts think Harry is hurting over their tense relationship. “He hasn’t got many other plans,” royal expert Katie Nicholl told an outlet. “He was, of course, hoping to see his family. Possibly that’s why the trip was three days… but as we now know, there will be no family meetings.” “I think certainly the fact that time hasn’t been made over these three days for father…