Biopics can be a difficult business. Real life stories can often be the most satisfying, but it isn't always easy when it comes to dealing with the rougher elements of somebody's life. Elton John very much lived a rock and roll life and as such has many of those darker elements in his past. For John Furnish, Elton John's husband, it was especially difficult for him to be on set when the new movie Rocketman was filming some of those rough moments, as he saw the man he loved going through a very tough time. According to Furnish...