You get the best deal you can for yourself. You protect the family assets. If she has a change of heart in the future, than you can merge assets again.
Step back, look at your sitch as if you were giving advise to a coworker. That is the logic side. You remove your emotional side from the decision process.
"What is best for my kids is best for me" Amor Fati Link to quotes: https://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2879712