It’s your first day at a new job. You’ve already chatted twice with IT, forgotten the name of the third coworker on your left, and debated the appropriateness of dipping out for an afternoon coffee. Then a little voice whispers: You will stay in this job for six years, three months, and two days. Excuse me? Six years (and three months and two days) is a good chunk of time when measuring a career—maybe an overwhelming amount of time.