It was the night before Christmas, when all through the house people were grumpy, even Aunt Gail. Uncle George brought up politics without any care, grandpa lost his temper right then and right there. Grandma hid in her room consumed with dread, while visions of disaster danced in her head. Aunt Jill and Uncle Tom were fuming that James brought that girl to dinner, and his sister was stoking the fire with her sarcastic ire...

We must keep in mind that positive emotions like joy and gladness do not exclusively belong to those with a greater affinity for optimism.