Having a stuffy nose is one of the most frustrating things. Most specifically when you are eating or sleeping. Eating is horrible because you have no choice but to chew like a cow with your mouth wide open so you can breathe. And sleeping with your mouth open just creates an interesting morning with your tongue wearing a sweater of dry saliva and your lips cracked with pain from lack of moisture. My body needs to kick this cold before I lose my mind.
Here's a preliminary sketch for a project I'm working on:
And a self portrait I did in watered down gouache washes: