What do a newly married couple, a recent college graduate, and an expectant mom all have in common? Yes, this sounds like the beginning of a bad joke, but in actuality, each of these consumers are experiencing life event changes. And when consumers make important life decisions or are in a state of change, these milestones tend to define spending habits. A newly married couple may be ready to furnish their new home. Or a recent college graduate may be in market for a new....