Covering Chapter 2 of "How You Will Measure Your Life" by Clayton Christensen. 

Does this career make you happy? You only have so many resources. Is what you're doing really serving you? 

As kids we dream big, but why is there such a disconnet between where you are at now and where you use to think you'd be? Be aware of the resources you spend and understand that there's always time to find a job that truly fulfils your purpose.