James Middleton, the Princess of Wales’s brother, has revealed how his beloved dog Ella saved him from taking his own life during a severe depressive episode in 2017. In one excerpt from his forthcoming memoir “Meet Ella”, published in the Mail, James recounts a harrowing night when he contemplated suicide. The 37-year-old entrepreneur describes how, at 2am on a November night, he felt life was “no longer worth living”. Unable to sleep or eat, Middleton found himself on the roof of his flat, considering jumping. “Dark thoughts crowd in on me. What can I do to make them stop? I think about jump…