It is narrated from Sayyiduna Jabir bin Abdullah (may Allah be pleased with him) that Sayyiduna Umar bin al-Khattab (may Allah be pleased with him) said: "One day I was overcome by affection and kissed (my wife) while I was fasting. Then I came to the Messenger of Allah (peace and blessings be upon him) and said: Today I have committed a grave mistake: I kissed while fasting. The Messenger of Allah (peace and blessings be upon him) said: What do you think, if you were to rinse your mouth with water (during ablution) while fasting (would that break the fast)?" I said: "There is no harm in that." Then the Messenger of Allah (peace and blessings be upon him) said: "Then why the concern over this (kiss)?" This hadith is sahih (authentic) on the condition of the two Shaykhs (Bukhari and Muslim), but they did not record it.