There are certain basic concepts that every adult should be able to grasp. Telling time, making basic fractions, and understanding temperature are all things that we learned in school as children. Some people, however, seem to have missed a day or two of class.

Like many places around the world, the U.K. is currently experiencing a heat wave, with temperatures reaching 30° C (86° F). Brad Holmes and his girlfriend Jenny were sitting outside in the swelter when Jenny announced that the temperature could get a lot worse, according to the “circle of hotness.”

When he asked her what she meant… well, we’ll let the amateur meteorologist explain it for herself.

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Speechless. Just…speechless. Brad, good luck trying to clear up this one!

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