Regulus chuckled. "I might not have been near you for seventeen years, but I doubt you suddenly turned into a political or social butterfly. I might not be experienced as a professor, but I know how to deal with the board and people like them. I can help you there in a way that your Deputy can't. The Black name does help there."
He closed his eyes, sighing. When he opened his eyes, he kissed the corner of his mouth. "There hasn't been any shagging, and there won't be if it makes you uncomfortable. It won't change anything between us. I'm still going to be here, I'm still going to bother you, and I'm still going to tease you mercilessly." He rubbed Severus' back. "I'm still going to be your friend.