Respuesta :
Positive psychology will increase the happiness level in him after Adam writes and delivers this letter
Explanation:
The scientific study of a life that is good, or what considers the good aspects of life and the experiences that make life worth living is called positive psychology. Positive psychology can come from anywhere where a person considers gets his/her happiness from, be it friends, family, lover, or any other.
Here, Adam after reading several researches on positive psychology learns the positive aspects of live and experiences the euphoria of sending his grandfather a letter to pen down his thoughts. It shows that he values the life and the good people in his life that makes his life worth living for.
