how to get my ex wife back

Question for men who's ex-wife will not change her maiden name again?
if your the guy who remarries someone else could be upset if his ex-wife would not return to her maiden name, even if they have more children than other men, do you think of this?
When married him and changed his name became His name and who is entitled to keep. If he's the guy who gets upset over something so trivial, I worry about her reaction to real problems.