While it may seem to be popular to claim that the meaning of life is simply to be happy, to serve others, to suffer, or to die, meaning comes from growth. The greatest meaning, purpose, or significance in life comes from making progress, achieving a goal, or supporting others in doing so.
https://yourmeaninginlife.com/blog/5-incorrect-conclusions-about-the-meaning-of-life
You can always find a reason to complain, and you can always find a reason to be grateful. The former will lead to a miserable life; the latter will lead to a more pleasant life.
https://yourmeaninginlife.com/blog/it-will-always-be-something
There are many misconceptions about how important growth is to your life, from what kinds of growth are possible, whose growth is meaningful, and how growth is meaningful even in the face of endings and death.
https://yourmeaninginlife.com/blog/misconceptions-about-growth-oriented-meaning