<p>'I often get asked about leadership in football, but in "real life" I can think of no greater example of what a leader is than Seán's wife, Martina. I have followed what she has done for her husband and her family and it has humbled me.' Jürgen Klopp, from the foreword.<br>Life as we know it can change in an instant, in the blink of an eye, and it did for Martina Cox and her family in 2018.<br>On an ordinary day in April that year, Seán Cox tr...