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Back to the guests.

Dr. Lori Santos. Welcome. Thanks so much for having me on the show. I am so thrilled to talk to you today. I've been following your work for a very, very long time and a huge admirer of all the contributions you've made. And I think what I love about how you go about your business is that you are just such a clear communicator of science.

And, you know, I love this little data point, this fun fact that you have the most popular

class at Yale.

It's oversubscribed.

And not just the most popular course in the last couple years, but literally across the

300 years that Yale has existed, it is the most popular course.

It's, you know, a humbling, humbling thing.

Mild logistical nightmare to get all the students in that one room, but it works out.

And the course title has evolved.

It's changed, right? It's now the science of happiness. Yeah. We originally called it psychology and the good life, which the ideas, you know, we're all searching for a good life and we want to use evidence-based approach to get there. Well, Dr. Santos, I can't wait to dig into happiness with you. There's literally no one better on the planet to have this discussion with. So we're just going to

get right into it. We have, so, you know, our listeners are kind of hard charging, I suppose. And

I think, I know myself, I've struggled with trying to figure out, you know, what is the path

of joy? What is the path to happiness? And, you know, I think there's achievement and there's

ambition and, you know, can these coexist? You know, what's actually happening here? Maybe give us some

guardrails around what actually is happiness and maybe how does it differ from joy? Yeah. So

nerdy social scientists like me tend to define happiness as having these two parts. So they think about

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