If you have an American boyfriend and you do not want to let him run loose when you can not control him then you should pin him down with a GPS Tracking Systems. Any Thai girl with some sense should use a real time tracking for the husbands living abroad and if he lives in the USA there is no problem. Where ever he go in the USA you will be able to track him, so when he take a side track from work or work late then you can use your Google maps and check real time photos. Go ahead and make your day more happy and his life more controlled.