Let’s pretend that there is a small Japanese restaurant that you have been going to for years. It’s nice, quiet, and they know your name. The food is delicious and a fair price and they even make special orders for you. Now you have been going for years, and there is something that you never noticed until recently. It’s just that, the leftmost stall in the restroom is always out of order.
Always.
At the engagement party.  The night you celebrated your new job. The day you had two bottles of sake with your coworkers at lunch then went back to work and no one noticed. The day everyone was snowed in and they were the only restaurant open.
It’s just that tonight, tonight as you are washing your hands you notice that there is a new sign taped to the stall. The paper is white, taped up with cello tape. The letters are large and red, and simply read, “OUT OF ORDER.”
But this time you really look at the door. The metal lock has been mangled shut and the space between the door and the wall has been taped over with black duct tape. There are plywood panels that extend from the bottom of the stall to the floor. There is a similar treatment from the top of the stall to the ceiling. You think nothing of it until you notice something.
The bolts holding the plywood in place were screwed in from the inside.