The purpose of this study is to investigate the characteristics and sources of a peaceful and happy life. The research uses the sequential exploratory design from the mixed research designs. The grounded theory design has been used in the qualitative part of the study. In-depth interviews were performed in the qualitative section with 26 participants between the ages of 21 and 82. The structural equation model has been used in the quantitative section of the study. A total of 900 participants (548 women) between the ages of 18 and 75 (M - 30.46, SD 12.94) form the sample of the study. According to the findings from the qualitative stage of the research. peaceful and happy living means having comfort and positive feelings and not having nega...