Thrust,
It is never an easy decision to leave ones home. You need to ask yourself where do you want to be in 5 years, 10 years, or even 20 years. Set some goals, see if your current job can get you there in your reasonable time frame. The ME is a land opportunity, but it is filled with risk at every turn. You have an advantage of no wife or kids, so money wouldn't be an issue right now with taking the job at FZ. People who come here with a non-working spouse and a few kids are already behind the power curve with needing a large villa/apartment, school fees, etc....
Do your homework, understand what this place is, and really take a good look at your goals in life.......then make a decision.
Just as an FYI, there is a long line of applicants to get into this job, so if you haven't even filled out the app it would be a good place to start!
All the best with your decision
