In earlier years, as an employee, I would have different types of interaction with my boss. Sometimes, as with team meetings, I merely listened to the information or marching orders. There might be the occasional small talk conversation or pleasantry in passing. I might pick up the phone to call with a quick question. There were times, however, when I had an issue which required a deeper conversation. I might make an appointment so I could have my employers dedicated attention for a period of time. I would prepare and spread out my issue or question in great detail.
Our relationship with God is often like that of any other authority figure in our lives. Sometimes I sit back and take in what God has to tell me. Sometimes my conversation with God is not much more than small talk. I might call him up in a popcorn prayer to ask a quick question. And then there are times when I find myself in Hezekiah's position. My situation calls for more earnest conversation.
I like the way Hezekiah approached God. He went to the sanctuary and "spread the letter out." I'm reminded of Jesus going to the mountain side in the early morning hours. Sometimes it's good for me to physically go to a place where I can have a private appointment with God. It's good to take the time to "spread out" my thoughts and feelings in detail.
If I made an appointment with my employer and spread out my issue in a private setting, I think I received a better hearing than if I tried to say something in passing or catching him in the hallway. The quality of the response I received was generally better as well. Why would it work any differently with God?