That's not a girlfriend. That's a pitch for a porn film.
National ID cards are a very useful tool if they are implemented correctly. There are some very interesting articles on line about the Estonian card. Plug it in to a PC and you can use it for on line voting. It can also be used as a passport and to pay for public transport. Everybody who gets a card also gets an official email address. Saved a fortune in sending letters from the government.
I think there's little chance of ID cards being introduced in Britain. Think of the arguments about how many genders there are. Plus, the last Labour government tried to use ID cards to track our every movement, including trips to the toilet, how many sheets of bog roll used and was it a long or a short flush.