one group of women were so fed up with their friend 's ` running commentary ' they went to the extreme measure of putting an anonymous letter in her mailbox demanding she give everyone ` a break ' .
jade ruthven , 33 , of perth , western australia , was shocked when she found the scathing note claiming to be from ` a few of the girls ' , cruelly criticising her for posting photos of her six-month-old daughter addison on facebook .
jade ruthven was devastated when she received the unsigned letter in her mailbox .