I dont think moving house is necessarily that easy they say its the hardest and most stressful thing people can do, even in this age of super highways and aeroplanes.
Abraham was told by God to leave Ur but he already had Sarah as his wife. Do you think if he was single he would have gone back and forth between Ur and Canaan just to date someone.
when you are someplace its cos God wants you to be there He has actually appointed the times and places you are born. And He will tell you whether you are to stay or go.
this isnt creation times any longer where God told adam and eve to 'got forth and multiply' cos they were the only two people on earth. People seem to forget that, our human population is far outstripping every other creature, it numbers in the BILLIONS. How long will this go on for?