Carly is a mum of two girls, aged six and eight, living in Manchester.
Case studies
Aimee lives in Nottingham with her husband and three children.
Andrew lives with his wife and their seven and 10-year-old boys near Glasgow.
Graham lives in Edinburgh with his wife and their soon to be eight-year-old daughter.
Marilyn lives in Kent with her husband, mother and two daughters aged two and ten.