Did you know there's a book on the characteristics of the Prophet (PBUH) by the scholar, Imam At-Tirmidhi, which had an entire chapter about the Prophet’s jokes? YES, it's true. Dr. Yasir Qadhi shares some of the humor of the Prophet (PBUH).
Umar, the second caliph, prior to accepting Islam, he buried one of his daughters alive. After becoming Muslim, he was often seen wiping his tears thinking about her. Read how Prophet Muhammad (SAW) changed things for girls.