Not so long actually. How long do you think some parts of British culture have really existed in that island? Fish and chips? Tea? Two or three generations and something becomes inherently part of a nation. Indian curry is as british now as tea is. Exactly the same happens with human phenotypes. British are not as Lyn's husband imagined them to be. That's just on Lyn's husband's part to adjust his expectations to reality. 🫂