I sometimes don't understand why the people are inventing yet another problem for themselves.
The only possible reaction is "WHAT THE HELL???!! %) %) %) %)"
He entered that kind of situation the he should resolve it as well

What a big trouble! He is already aware that his prospective second wife came from the other country and knew that it will cause him trouble yet he continued. Like what on the articles says, "Being on the other country doesn't waive her right for demanding an overnight stay". If he really want a second wife, he should do whatever it takes ~ even if he needs to travel more often or relocate her second wife near in his place.