The Kedushas Levi offers an interesting explanation for Yaakov Avinu’s name change. We can identify two types of people or, rather, two forms of avodah, service/relationship with Hashem. Some (this too is not easy) direct their hearts solely to Hashem when they are engaged in avodas ha’kodesh, sacred service, such as, tefillah, Torah study and mitzvah observance. At these times, they are completely immersed in Hashem’s Presence. Once davening is over, or they close their seforim and enter the marketplace, however, they bid Hashem “goodbye,” and their focus shifts radically. They have departed from their relationship with the Heavenly sphere….