Musannaf Ibn Abi Shayba 27:545

Hawdha ibn Khalifah narrated to us, from al-Taymi, from Abu Uthman, from Usama ibn Zayd, who said: The Messenger of Allah (may Allah bless him and grant him peace) used to take me and al-Hasan, and he would say: "O Allah, I love them both, so love them both."