National Insurance Number

Mine did to but only to check passport visa

Mine wife didn't attend an interview.

Yes, I know. I was just joking.

If you have the skills, knowledge and the guts to work in an unfamiliar environment, why not? Right?
And with a UK passport and a very English name, opens up a lot of opportunities I would have never imagined then.
No need for visas mostly, OFW licenses and such. And you have the EU treaty. Companies treat you like how they would for any other European and first-world applicants.

I'm just making proper use of what we have, mate. It's nothing special.