
About this episode
<p>They say that smiling requires fewer muscles than frowning, so why not smile? That doesn’t seem to be true, or at least unproven, and there is lots more about smiling that will keep you glued to your earbuds in this fun episode.</p><p>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.</p>