FlyingCroc
Let's try to look at this in a positive light. If you don't let the family escape the heat and get a break from the relentless Dubai stress, chances are that you'll be dealing with ex Mrs Croc within a few years.
I can assure you, without a shadow of a doubt, keeping the 1st wife as an only wife is by far the cheapest option. Just consider it as a yearly investment towards maintaining current lifestyle!
Harry