I don't mean to attack you and I truly hope you are seated with your children when you fly (it is always better when you can be with your kids), but I don't understand this attitude (which I have seen others post, not just you so PLEASE know I am not picking on you--your post just happens to be recent and short enough it is easy to pull the quote out

) My kids aren't perfect--far from it--but the attitude I took was always that they needed to behave on planes--no matter who they were seated by. Try to pack entertainment they can handle by themselves--and snacks of the same and go over rules and etiquitte (and safety!) with them first. I admit they were once next to a man (whom I did not ask to change seats, but the FA did--she was worreid about them) who was VERY rude to the FAs on a fligh (cursing at them repeatedly) and THAT time I was secretly hoping they would act up, or spill a drink by accident or something. NO such luck--but I got my revenge in the end anyway
I think the idea is if you cannot get two seats together--go for even one exit row seat. Then ask whoever is seated by your child in teh otehr part of the plane if s/he will trade for an exit row seat (you now have something to barter with). It is also nice to offer to buy a drink for a passenger who changes