Related על כתובות 7:10

Said Rabbi Yose bar Rabbi Yehudah (sic!, according to Ehrfurt manuscript): When do they say that he sends her out and pays her ketubah? When he wants to [stay married] but she doesn't want to, or when she wants to and he doesn't want to. If they both want to—the ketubah does not stand. A man afflicted with boils, even if they both want to, it does not stand. Said Rabban Shimon ben Gamliel: We found one elder afflicted with boils near Sepphoris, and he said to me: "There are 24 kinds of people afflicted with boils, and the only one of them for which [sex with a] woman is bad for him is ra'atan (a skin disease)."