10: He/she wakes up in the middle of the night screaming.

9: You catch her using your toothbrush.

8: He has conversations with herself in her sleep.

7: Their significant other is in the room more

6: He sleeps in the closet instead of the bed.

5: You find unfamiliar green plants growing in your room.

4: You keep finding decapitated stuffed animals all over the room.

3: There is always an unfamiliar smell when you walk in, that you can’t quite place.

2: He is always doing their homework… naked.

1: The police constantly call asking for them.