Why colder countries are the happiest place on earth?

I'm not understanding whyhttps://slate.com/news-and-politics/2021/04/finland-happiness-lagom-hygge.html--- Send in a voice message: https://anchor.fm/bigdcountry/messageSupport this podcast: <a href="https://anchor.fm/bigdcountry/support" rel="payment">https://anchor.fm/bigdcountry/support</a><br /><hr><p style='color:grey; font-size:0.75em;'> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.</p>