Perhaps not.
Lying is often beneficial. That is why people lie so often.
Loyalty is often costly. That is why so many people are disloyal.
Benedict Arnold was a kind of like a dual citizen between the US and UK, and he is universally liked and respected to this day!
Your friend should be careful that she does not get socked with UK taxes. I pay about half my income in various US taxes. If I had to pay UK taxes too, I would be in the hole every time I got a paycheck!
I am sure she pays UK taxes. She is not wealthy and some of her income is cash, I would guess. I doubt she pays US taxes.
where would she lie?
I am not sure anyone questions her citizenship.
He is?