When we enter our mid-life crisis years, there often comes a point where what we do for a living no longer makes us happy. While we’d hope this feeling goes away in a short while, as do most emotions of a mid-life crisis. The years between 40 and 50 often provide a very realistic look as to how much we actually want to be doing what we do day in and day out. If you’ve come to realize that you may not enjoy your job as much as you use to, there are several ways to find a different path through life. Here are a few tips on how to reinvent your career at 40 or even after 50.