Over at Slate the advice columnist received an email from a man who found out that his wife is really his half-sister. If you don't want to follow the link, the back story is straightforward, the couples' parents were lesbians, and used sperm donors. Recently the man sought out the identity of his biological father at the urging of his wife, because they have three children and she thought it would be important to have that information for them. That is how he found out that they shared the same biological father. Here is the part that has me concerned about realism on the part of the advice columnist:
I don't see how you can keep this information to yourself. She's bound to sense something off in your behavior and you simply can't say, "I'm struggling with father issues." I think you have to sit her down and show you ...
