S&M . . . . .. Sister and Mother.
Don't be silly, walruses don't make sandwiches; women make sandwiches. Made this up to bug my sister. It worked. Her husband laughed.
asked the kindly stranger. "If my parents get divorced...will they still be brother and sister "
One woman brings you into this world crying and the other ensures you continue to do so.
Because when they are kids their mothers always tell them: "If you grow up you have to work" *Translated from italian hope it makes as much sense as there