"The idea crystallized during a business trip to Peru in 2009. Teresa Keller, who turned 40 this year, was brooding about where her life was headed. Already in the process of breaking up with her boyfriend and moving out of the house they’d shared together, Keller was commuting three hours daily to her job in Boston as executive director of the Archaeological Institute of America, while raising three children for whom 'quality mom time’ was often more wish than reality."