DEAR ABBY: Six months ago, I got back in touch with a childhood friend who married at 17 and moved away. She has lots of family drama, much of it caused by her alcoholism (which she says is a result of PTSD). Recently, she told me I have hurt her and I’m a terrible friend because since we’ve reconnected, I have never once asked her about her past and the ordeals she’s been through. Abby, she talks…