The days became months as he worked on a very important project for his employer. His manager supported his efforts in that he provided the necessary resources and even an extra helper when things got crazy busy. But when the time came to present the project to the clients, his manager’s boss took the stage, leaving his name out of the mix. It was shocking and demoralizing, making him feel like he just wanted to quit.

Sometimes we work hard or give ourselves totally to help another person but d...