I start looking for my keys three streets before I reach the door. I've only ever been locked out once or twice in my life because I forgot my keys. And I've never had an emergency that required me to have the keys already in my hand, ready to be inserted into the lock the second I reached the front door. Yet there I am. Three streets away, rummaging through my bag. The bag is deep, the walk from the gate to the door is about eleven seconds, and I would rather not spend those