In 2008, Jackie and I arrived at our investment banking jobs on Wall Street. Fresh out of college, we were now among the top earners in our peer group. Twenty-hours-plus daily, most days of the week, working hard on pitchbooks, models and deals. We saw eye-to-eye on most things: people, what we were going to eat that night off of seamlessweb.com, and, more or less, life.
We were both so-called Millennials, defined as those born between 1981 and 1996. There were a couple of big differences. One was that she thought about savings and investing her earnings. I was more basic,