I like having an unsolvable mystery like this one. It gives us something to always strive for. We constantly work to better understand ourselves, our world, and our universe. Without such mysteries we would have nothing to push us forward, no void in our understanding to fill.
The readings highlight the idea that ours is a God who has walked among us. He doesn't want us to be mindless servants, but to be friends. He wants us to willingly love Him. In doing so, we must willingly love one another. In doing so, we must willingly love ourselves.