Answer: involved in an activity for its own sake. The ego falls away. or the mental state in which a person performing some activity is fully immersed in a feeling of energized focus, full involvement, and enjoyment in the process of the activity. Wikipedia
Explanation: According to positive psychologist Mihály Csíkszentmihályi, what you are experiencing at that moment is known as flow, a state of complete immersion in an activity. He describes the mental state of flow as "being completely involved in an activity for its own sake. The ego falls away.
This is an excerpt from the "Pardoner´s tale which is one of the Canterbury Tales written by Michael Young. Three young men depart to encounter Death and kill it. The adversary mentioned is "Death".
D) "While most citizens were in favor of making the enviornment a key component of the curriculum, a small minority had an aversion to change and thwarted the plans by organizing demonstrations."
