Ketubot 62: Those Special Friday Nights

A few disputes between Rav and R. Yochanan, including how a groan can break your whole body, and how that's a matter of the Jewish condition, in terms of perpetual anguish. Also, a man's obligation for the frequency of a wife's conjugal rights, depending on his profession. Plus, stories of sages who prioritized their studies over the families and the dramatic (and sometime dire) outcomes.