Tact and diplomacy are fine in international relations in politics perhaps even in business in science only one thing matters and that is the facts.
Gratitude is the inward feeling of kindness received. Thankfulness is the natural impulse to express that feeling. Thanksgiving is the following of that impulse.
Be glad of life because it gives you the chance to love to work to play...
I have nothing against turkey. We eat turkey for Thanksgiving in my house.