He's celebrating something strange. I wonder if he's sold his farm, Or been made Master of the Grange. Half way down he reconciles with his fate and begins to climb the steep, ice-covered mountain slope back to his home. This acceptance of Fate, of standing steadfast in face of adversity, are the Yankee virtues that Frost pays tribute to in this simple and funny little poem. Thrift is another recognized virtue of the Yankees.
Blueberries is written in the form of a dialogue between two country neighbors.
They store a great many away. They eat them the year round, and those they don't eat They sell in the store and buy shoes for their feet. Also in both the poems the characters portrayed are 'practical naturalists' who accept whatever nature gives to them - good or bad. Just taking what Nature is willing to give, Not forcing her hand with harrow and plow.