Indeed, the ritual is so ingrained in British culture that several scientists over in the U.K. (and elsewhere) have devoted some time to breaking down ... pouring in the milk after the tea causes ...

The cold milk went into the cup first, followed by the boiling liquid, which immediately cooled down to a less-destructive state. If you've ever wondered about the best way to pour your tea ...

Today is National Tea Day, which unsurprisingly celebrates ... who couldn't afford the high-quality china had to carry on pouring milk first so their cheap crockery wouldn't crack.

Much like cream before jam – or, god forbid, the other way around – when preparing scones, pouring the milk first when doing a tea round is another perpetual point of division for British people.