Silsilat al-Ahadith al-Sahihah

Sayyiduna Abu Kabsha Al-Anmari (may Allah be pleased with him) reports that the Messenger of Allah (peace and blessings be upon him) was sitting with his companions, when suddenly he went inside and after taking a bath, came out. We asked: O Messenger of Allah! Did something happen? He (peace and blessings be upon him) said: "Yes, such-and-such woman passed by me and desire for a woman arose in my heart, so I went to one of my wives and fulfilled my need. You should also do the same; using what is lawful is the best deed."