SISU = Determination, perseverance. It means Finnish people don’t give in, and as the saying goes, “go through even a grey rock”. Sisu is also the name of a popular candy that tastes like salmiakki, salty licorice. ÄITIYSPAKKAUS = Finnish parents put their newborns in a cardboard “maternity box”. This useful Finnish invention that is usually used as the first bed for the baby has even gained attention abroad. The box is available for every expecting mum free of charge, and it…