The number one reason why most people are not happy at their jobs is that they made the mistake of failing to link their life purpose to their career choice when choosing a profession. You may have taken up the job offer because you are well paid or because you wanted something to help put food on the table, pay the bills, or send the kids to school. While there is nothing wrong with being concerned about any of those things or accepting a job offer as a way of addressing such concerns, you have to consider your calling or life purpose when choosing a career, if you are to remain happy in life or if you are to live a satisfying life.