After two years of teaching online, I was really looking forward to physically teaching our course. But how to do that with only 75 out of 120 students allowed in the IDE Arena? Spoiler: geeky stuff! — In 2016, I started teaching at the TU Delft because, well, I just love teaching. But now, after two years of educating through Zoom, I found that there is a bit of nuance needed; I love physical teaching.