1. Maybe someone has broken in and taken everything
  2. Maybe some has broken in and is still in there
  3. Maybe the toilet broke and there's water covering the whole floor
  4. What did I leave on the floor?!
  5. What if a mouse is eating my food?
    If so, what's he into?
  6. Has the food in my fridge gone bad?
  7. Are my plants ok?
  8. Did I lock the door?
    If I didn't, will anyone notice?
  9. If someone noticed the unlocked door, would they go in...
    Repeat steps 1-9 until I get home.