India, April 29 -- Prince Harry and Prince William were once inseparable, bonded by childhood tragedy and royal duty. But over the years, their relationship has become visibly strained. Harry's decision to step down from royal life with Meghan Markle and make a life across the Atlantic in California, and eventually in affected the brothers' bond.

Now living in California, Harry and Meghan have worked to carve out a new life, far from palace walls. Meanwhile, William and Kate Middleton continue to represent the monarchy in full, and the divide between the two couples has only grown deeper.

But now, author and former BBC journalist Tom Bower, told The Mirror that the Duke and Duchess of Sussex are facing "a crisis, Meghan wants to be a bi...