Asking a Brit if they know how to make a tea is considered one of the worst possible insults ever. Because, although the history behind the colonial beverage is as murky as the end result, the ability to make a fantastic cup is the source of a Briton’s pride.

Except, as it turns out, we have zilch to be proud about, because we’ve been getting our beverage wrong all these years. According to the experts, the emphasis of making a good cuppa should be on the brewing time — which is precisely five minutes.

Expert in the science of making tea Dr Stuart Farrimond said that this lengthy brewing time will make the cuppa fully caffeinated.

You’ve been making your tea wrong this whole time, reveal tea experts