I was startled awake at 6:30 this morning by the sound of knocking at the back door.  As I stumbled out of bed and down the hall my mind tried to search through the sleepy haze for an explanation.  Did Ben not have to work today after all and came home?   Where are his keys?  Why didn’t he knock on the front door?  Did Jon lock Emma or Brigham out again?  Why didn’t I hear them get up?  Where’s the yelling and giggling?  Then I rounded the corner into the kitchen and saw…