That's the beautiful thing about working for an international carrier. There are LOTS of options. The other thing is that you don't know what you don't know. I was a narrowbody captain (737 DEX) before I was an international FO. When I got to the -ER as an FO, I realized what I had been missing. Yeah being the king was cool and all, but the international part of this company is a different lifestyle. And then there is a subset of that and that is the ULH international flying. Sure you don't get takeoffs and landings, but the living is easy. When I think of those really really really junior guys getting 737 CA in NY, I kind of pity them actually because they are never going to know how good this part of the airline is. Domestic narrowbody flying will always be hectic. Always. International will always be one leg to a nice layover with EXTREMELY rare exceptions, and to be honest, those multiple leg days I think are dead forever. So back to your point.... once someone gets used to that lifestyle, and THEY know what domestic narrowbody captain is like... why leave? Domestic narrowbody rotations can only get marginally better, and international rotations can only get marginally worse. Change my mind on that if you can.