[wtbob]

That's why it's a career, not a job. That's why professionals introduce themselves with, 'I'm a doctor' or 'I'm a lawyer' or 'I'm a developer.' That's why we are (or should be) salaried. We are our professions; in a very real sense, we can't be anything else.

[magic_beans]

Exactly. Some people will experience their work as a career (as their identity), and these people will be HAPPY. Those who experience their work as a job will not be as fulfilled.