In order to really get to know a person, you need to know what they think about a wide variety of things, big or small. You cant really know a person without asking them the infamous "Why?". 'What Is Your Why?' addresses this topic and causes one to think about their own why.
Jeremiah 33:3 New International Version (NIV)
3 ‘Call to me and I will answer you and tell you great and unsearchable things you do not know.’