Saudade is a longing, an ache for a person or place or experience that once brought great pleasure. It is akin to nostalgia but, unlike nostalgia, one can feel saudade for something that’s never happened, and likely never will.
And who better than the Portugese to show us this 'joyful sadness'.
http://www.bbc.com/travel/story/20161118-the-european-country-that-loves-being-sad
