DP has a PhD in some kind of computer engineering. I have a GCSE in ICT. His work is all about programmes.
He started cursing Google Drive just now (I don't even know what it is) because it wouldn't sort his files the way he wanted it and it was "rubbish". I leaned over and sorted it instantly. His face:
My face: 
I'm going to carry that moment with me for a long time...