DEAR ABBY: My fiancée has a death wish. She recently lost her youngest child to suicide. She’s in a lot of pain and rarely has a good day. She suffers from PTSD and relives the scene daily in her mind. She’s a hard worker, so that helps to keep her mind off things. She lives in an empty house with nothing there but farm animals, which she says do help to make her happy. Abby, I’m worried because she does things that put her in danger, like staying at her son’s grave alone at night for hours. She told me ...