(2.) your schedule runs months into advance
(3.) you stop socialising nearly as much
(4.) you start saying Christ inadvertently
(5.) when you and your other half are the only dark-haired (let alone dark-skinned) people in the room
(6.) your friends are based on shared hobbies
(7.) your social calendar revolves around societies
(8.) you would never dream to drop into other people's homes as you used to
(9.) seeing people once a year is more than enough to sustain a friendship
(10.) Christmas becomes a BIG thing and you start thinking about bona fide Easter Eggs lol.
(11.) your ethnic identity becomes a very valuable tool to differentiate yourself from the white bread upper middle class, who are very homogenous & metropolitan at times.