Someone stop me from strangling FH

Last night, I was scanning the Together for Life book for Rita. Mind you, this book is like 100 pages. Well I had left my scan open on the computer while his parents came over dinner, and I was going to finish it later..........yea, you know where this is going. His parents leave, he runs into the office and starts playing on the computer. I come in after cleaning up and I'm like 'You didn't close my scan did you??????' He looks up and says 'noooo........' I ask him to minimize his page, and low and behold IT'S GONE!!!!!!!!!!

I'm like WHY WOULD YOU CLOSE AN OPEN PROJECT?????

He tells me because it was slowing things down

And the worst part was, I only had like 5 pages left to scan