Welcome to exam season. If you've got teenagers, you're now treading that impossible line between encouragement and nagging.
"How's the revision going?"
"I'm on a break."
It isn't helped by the fact that no parent (unless he or she is a teacher) can possibly understand how GCSEs, AS levels and A2s work these days. You get bits sat early, modules, coursework and written exams, and they all account for different percentages of the final mark.
This is why, when you go on and on about the one part of a GCSE that you actually remember from being 16 yourself, your teenager will say wearily, "But that's only 15Slideshow-84575%
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