They are citizens of our country and are therefore responsible for funding the government. They have the right to just move back to the United States and enjoy the fruits of our country. Why shouldn&#x27;t they have to pay up?<p>Taxes aren&#x27;t a payment for services rendered.<p>If your girlfriend doesn&#x27;t believe herself to be an American she should renounce citizenship. But you are asking to have her cake and eat it too.