Here’s a video that went viral showing a father in Britain reacting strongly when he learned that his son had gotten a ‘C’ in math — which is a passing grade — after first flunking it.

The dad is Farnoosh Shahrokhshahi and it was his son, Aria, who set up a camera just before he told his dad about his grade and posted the video with the title, “the day i passed maths.”

You can see the dad look at his son’s report card and say, “IS that real? Is that real? My God!” before he starts to cry.  The pair actually appeared on The Today Show recently to talk about the video.

Here it is: