A common theme around truths about life is accepting others' choices while making your own choices to make your life the best that it can be. You can't control others, but you can control yourself; it makes your life a lot easier when you focus on what you can control and ignore what you can't.
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