Please Help

I don't know how to even start an entry like this. This is Liam, 6, who died on Monday. I never met him. I met his mother, the unstoppable Gretchen Holt Witt, when I worked at Real Simple. She worked at Oxo (she still does) and our paths crossed on a bunch of stories there and a few years later at Cookie. When Liam was diagnosed with Neuroblastoma in 20…