I nearly threw myself under a train after my husband had an affair, I lost my job as the editor of a glossy magazine and became an alcoholic, says LINDSAY NICHOLSON. But then an extraordinary woman (and a very unusual ceremony) saved me...

The attendant at the BA check-in desk repeats herself: 'You don't appear to be who you say you are.' The world tilts slightly on its axis. I shake my head trying to clear the fog filling my brain.