I. Me. My. You. He. She. They. It. To. Of. For. These are all words we use without a second thought. But psychologist James Pennebaker says if we pay close attention to the patterns in speech and writing, we can understand profound things about others, and even ourselves.

For more on the relationship between language and our minds, check out this classic Hidden Brain episode: https://hiddenbrain.org/podcast/watch-your-mouth/