Back in May, a five-year-old boy named Meyer Mixdorf was being treated for brain cancer at a children’s hospital in Missouri.  And his parents used sticky notes to make a face on his window to cheer him up.  Then someone across the street started doing it.

It turned out to be a medical worker in another building named Johnna Schindlbeck.  They traded window art messages for weeks, and each one got more and more impressive.  By the end, they were doing full pictures of Super Mario and Iron Man.

She didn’t even know who Meyer was for a while, but finally got to meet him last week when his MRI came back clean and he got discharged.