not all pain matters

There are people whose attention is consistently drawn away from their purpose and toward their pain, like a moth to a light. Such people, who pay attention to every annoyance and obstacle in their way, are usually unsuccessful in their endeavors. In extreme cases they are mentally ill. A healthy person, a flourishing person, learns to move past a lot of annoyance and a good deal of pain.

Resilience: Hard-won Wisdom for Living a Better Life by Eric Greitens. Houghton Mifflin Harcourt. 2015. p.168,169