Find out more about the cast of the Hallmark Hall of Fame movie "Back When We Were Grownups," starring Blythe Danner Faye Dunaway, Peter Fonda, and Jack Palance.
When is it most successful? Most girls will potty train fairly easily around 2, whereas boys may take a little longer (perhaps because language develops earlier (as a general average) in girls, and language is part of the preparatory checklist that needs to be intact before potty training can be accomplished.)