" start her gradual return to society. Black gowns gave way to grey, mauve, and lavender, and could now be made from silk instead of crape or bombazine. To alert the members of her circle that she was ready to face society, a widow would leave calling cards at the houses of her acquaintances. She would begin to accept more invitations, always being careful only to attend events that were not too joyful and to behave in ways respectful of the memory of her husband "

― Tasha Alexander , And Only to Deceive (Lady Emily, #1)