Best anecdote in Carol Thatcher's book about her father is when Sir Denis boarded a train at Paddington in which the only empty compartment was reserved for Rosewood Psychiatric Hospital. Denis travelled alone and in comfort as far as Reading when "all these chaps piled in", accompanied by a male nurse, who counted them before the train moved off. 'One, two, three, four ... who are you?" "I'm the Prime Minister's husband." "Six, seven, eight, nine..."