Daniel Kahneman is a very smart man who studies how people make decisions. He likes to think about how people's brains work when they make choices. He has found that sometimes people make choices quickly and without much thought, and other times they take longer to think about them.
One thing that is really interesting about what he has studied is that people don't always make decisions that make the most sense. Sometimes they make choices that aren't really the best for them. This can be because they don't have enough information, they're in a hurry, or they just don't want to think too hard about it.
He has also found that people's emotions can have a big impact on the choices they make. For example, if you're feeling really happy, you might be more likely to make choices that feel good in the moment, even if they're not the best choice in the long run.
Overall, Daniel Kahneman is a really smart person who has taught us a lot about how people make choices and why they might make certain decisions.