In every physical action, unless it is purely mechanical, there is concealed some inner action, some feelings. This is how the two levels of life in a part are created, the inner and the outer. They are intertwined. A common purpose brings them together and reinforces the unbreakable bond.
Many people when they fall in love look for a little haven of refuge from the world, where they can be sure of being admired when they are not admirable, and praised when they are not praiseworthy.