In the first of four programmes Jenni Mills traces critical periods in family life and talks to families about how they weathered the crisis.
1: 'The policeman came to the door and said: "Does your husband drive a white car?"' In 1981 Paul was involved in a very serious car accident: he was in a coma for three months and afterwards did not know Janet, his wife.
Producer SARAH ROWLANDS BBC Pebble Mill