Sahih Bukhari
Wedlock, Marriage (Nikaah)
Volume: 007 / Book Number: 062 / Hadith Number: 115
Narrated Ibn 'Umar:
During the lifetime of the Prophet we used to avoid chatting leisurely and freely with our wives lest some Divine inspiration might be revealed concerning us. But when the Prophet had died, we started chatting leisurely and freely (with them).