Reference for Ketubot 7:8

דרש רב יוסף בריה דרבא משמיה דרבא ל"ש אלא שלא בעל אבל בעל אשתו ישנה עמו

Joseph the son of Rava expounded in the name of Rava: They taught this only if he had not yet had intercourse with her but if he had [already] intercourse, his wife may sleep with him.

Explore reference for Ketubot 7:8. In-depth commentary and analysis from classical Jewish sources.