It is narrated from Sayyidah Aishah (may Allah be pleased with her) that she said: I never felt as much jealousy over any woman as I felt over Sayyidah Khadijah (may Allah be pleased with her), and that was only because the Messenger of Allah (peace and blessings be upon him) mentioned her so often.
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 19325