The world is full of people with half a brain, and habits that annoy us. And while most of us keep our thoughts to ourselves, Sheldon Cooper doesn't. Here are some 9 times you felt exactly like him.

1. When people say stupid things.


2. When no one gets you.


3. When you just want to shut someone up.


4. When you want to speak the truth.


5. When you're supposed to be polite, and truthful.


6. When you want to celebrate technological advances.


7. When trying to prove you've got no loose screws.


8. When you're feeling the need to be more hygienic.


9. When you just don't feel like socializing.