I worked at the Children's Hospital at the University of Michigan and two superheroes cleaned the windows a couple of times a year; the kids were thrilled and the nurses took selfies with the guys. Perhaps they are an itinerant high-rise window-cleaning company.
Because up until a year ago he has been unable to walk, and because his heart has gotten so weak than when he does walk it is slow and he can not make it to the bathroom...he has spent the majority of his life in the hospital, has had over 30 surgeries since birth...as is with all chd children there are other health problems that develop.