1. They disappear for hours and won’t tell you where they were.
2. They are about 100 pounds, 2 feet tall and covered in fur.
3. They seem distracted in bed.
4. They are of the Order Rodentia.
5. They never want to watch your favorite shows.
6. They act like they enjoy your signature spaghetti, but after dinner you always find them eating their own feces.
7. They don’t appreciate modern art.
8. They never tell you how they feel.
9. When you go to restaurants together, you get strange looks.
10. They ALWAYS forget to turn off the TV before going to bed.