When she writes on his page, she says, it feels like spending time with him.
She doesn't know any of his passwords anymore -- he changed them all during his struggle with PTSD -- so she cannot turn on privacy settings to make the posts visible only to friends.
"I don't care if other people see it. Everyone knows I love my husband," she says. "People think I'm crazy for still writing to him. I'm not going to say I'm not."
Facebook helps her cope. It is like a friend who is always there.