I took the silver key, and with my hand shaking, pushed it in the keyhole. My hand froze and I couldn't turn the key. How did I get into this situation? How did a visit to a cave and a walk through a mall get me in front of this door making the biggest decision of my life? My only child would be going further than anyone on this planet had gone before. I took a deep breath, turned the key, pulled on the handle, and opened the door.