Mum, or 'diltongal' as she is known on this website, died in the early hours of Sunday morning in my Dad's arms. I said goodbye to her for the last time, only a week ago. I think I knew it would be the last time, because I tried to tell her I loved her, but instead just held her and burst into tears. I hurried back to Sheffield, and began revising for the January law exams. Part of me thinks that it was a mistake to go…