There are two main motivating factors: avoiding harm and pursuing growth. If you are more motivated by avoiding harm, then you'll want to boost the negative consequences of not acting; if you are motivated by positive outcomes, then you'll want to focus on the benefits of your actions.
https://yourmeaninginlife.com/blog/are-you-a-firefighter-or-a-dreamer
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