It is indeed Kausalya who is fortunate in as much as her son will be installed. Where is your good fortune since your son will not obtain the kingdom?
सुभगा खलु कौसल्या यस्याः पुत्रोऽभिषेक्ष्यते। कुतो हि तव सौभाग्यं यस्याः पुत्रो न राज्यभाक्।।१८।