Where does your passion for programming end, and your disdain for a job begin? Perhaps more important, does this potentially affect the quality of code you prod

Where does your passion for programming end, and your disdain for a job begin? Perhaps more important, does this potentially affect the quality of code you produce? In other words, if you discovered a mission-critical bug at 5 pm, would you be more likely to clock out and go home because you didn't like the project? (These are legitimate questions, not trying to be snarky.)