Alex Rosenthal has aphantasia, meaning he can't visualize things like.
Fraction of a microsecond.
And then it's gone.
And for some people, it's just total blank slate.
That's on the TED Radio Hour podcast.
Listen on the NPR app or wherever you get your podcasts.
You're listening to Life Kit from NPR.
Hey, everybody.
It's Marielle.
Question for you.
How happy are you?
Yeah, I know.
I guess I should answer it too.
I don't know.
I mean, what is happiness anyway?
I started my career in law, so I have many memories of spending an entire semester
arguing about the definition of contract, and happiness is even more elusive.
This is Gretchen Rubin.
She's a writer who studies happiness, good habits, and human nature.
She also has a podcast called Happier with Gretchen Rubin.