Your thoughts, actions, and experiences affect your emotions, and your emotions affect your thoughts, actions, and experiences. To the best of your ability, choose your emotions as often as you can so that you can live a happier, more fulfilling life overall.
https://yourmeaninginlife.com/blog/the-three-relationships-between-you-and-your-emotions
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