I would say, go for it personally.. try it for awhile and keep your options open but family life is first and foremost.
We are looking at taking the plunge with a possible move to Canada in the next 12 months either in BC or Alberta, with the wifes job we could relocate anywhere in the world but Canada comes up for our lifestyle with the wife who loves ice skating and me loving the mountain biking and Canada has it all.
Its a big gamble but we are not getting any younger and if we back out now I think we will end up regretting it
Good luck with whatever you decide bud