In this week's Torah portion,Toldot, we are told that Yitzchak marries Rivkah at age 40. He is comforted from the loss of his mother, Sarah, when he marries her. In last week's Torah portion, we read how much he was comforted by Rivkah's presence. Rashi says that for the entire time that Sarah was alive, there was a constant light illuminating from her tent that was connected to her merit. This light returned when Rivka came into the tent. Yitzchak's darkness lifted. Most o