Hypothetical
Let's say at the end of 5 years, you decide to go home... For whatever reason, maybe you can't get your kids into an English speaking school, or you cant afford the debenture for an English speaking school, or the English speaking school you are "lucky" enough to get in to is $hite, or you simply want to live in a house, you might want your kids to know what grass is, and how it feels under their toes, you may want to afford to get married, or maybe your lungs have packed it in, pick any or all of the above... What will look better on your resume? 3 years 320 command, or 5 years of adjusting the jump seat, with no aircraft rating? From that perspective, looks like a "no brainer".