It's disgusting that so few people take the time to send thanks. Last Christmas Eve an ambulance was called to take my Dad from his GP to hospital as his heart was beating far too fast. He was later diagnosed with Atrial Fibrillation, so the ambulance crew may not have 'saved his life' that day, but the kindness and humour with which they treated him made both him and my Mother deal far better with an unknown and frightening situation. So of course we sent them a card saying thanks and telling them they made that difference to him. And I hope that receiving letters saying such things both makes their job a little more bearable at the tough times, and helps when they have annual assessments.