The Mirror

You are a test subject of an asylum and they decide to use their newest test "The Mirror.". You will be put in a grey-walled room with some forniture and a lever to dim the lights, along with a mirror on the long side without the door. You will then be asked to pull the lever to dim the lights and stare into the mirror and not look away, what you will see will decide if you need to stay longer or are not insane anymore.