Even animals have sad faces. You can even distinguish the sad and the happy, and here's some proof. These animals are rescue ones, and you can see the difference before and after being adopted by someone. Happiness is real!

1.


2.


3.


4.


5.


6.


7.


8.


9.


10.


11.


12.


13.


14.


15.


16.


17.


18.


19.


20.


21.