Among Shango's three river-goddess wives, Yoruba narrative tradition consistently gives Oshun the role of the clever one, and the fullest illustration of that reputation is the story told about Oba, another of Shango's wives, who came to Oshun anxious that Shango's affection for her was fading and asked how Oshun kept him so devoted. Oshun told her, falsely, that the secret lay in feeding Shango a piece of her own ear cooked into his food, and Oba, trusting the advice, sliced off part of her ear and prepared it in his favorite dish; when Shango discovered what he was eating he was horrified rather than moved, drove Oba from his household in anger, and Oba, in her grief, is said to have collapsed into the earth and become a river herself. Yoruba tradition marks the consequence of the story directly onto the landscape: the Oba River's turbulent, dangerous confluence with the Osun River, where the two waters meet, is narrated as the lasting mark of that betrayal, the rivers still enacting the rivalry between the women who became them. E. Bolaji Idowu's survey of Yoruba religious thought treats stories of this kind as characteristic of how the tradition handles Oshun generally, refusing to flatten her into either a purely sympathetic or purely dangerous figure and instead presenting her cleverness as genuinely double edged, capable of correcting a world that excludes her and of harming a rival who trusts her too readily, without treating either outcome as the more authentic Oshun.