I am thankful for forgiveness. Without forgiveness, life would be unbearable and mistakes irreparable. A good video on how to forgive can be found here: https://www.prageru.com/courses/life-studies/forgiveness
I am thankful for kindness. Without kindness, life would be hostile and a constant competition. Kindness gives life flavor. (An article on a related term compassion: http://greatergood.berkeley.edu/topic/compassion/definition)
I am thankful for communication. Without communication, life would be lonely and the journey of life would be traveled alone. Communication gives connection, which gives rise to community and a sense of belonging.