ELI5: Explain Like I'm 5

De se

De se is a fancy word that means "about yourself". Think about when you say "I am hungry" or "I want to go outside". Those phrases are about you, right? That's what de se means. It's when you talk about yourself or things that only you know about or experience.

For example, when you say "I am happy", only you can know for sure that you're really happy. That's a de se statement because it's about your own personal feelings and experiences.

Another example is when you say "I am going to brush my teeth". That's also a de se statement because only you know that you're going to do it and only you can really control it.

So de se is all about personal things that only you know or can do. It's fancy because it's a big phrase, but it's really just talking about yourself!