How common is incest in the animal kingdom? [more inside]
posted by thisperon on Nov 1, 2009 - 14 answers

I was looking at this chart of the ancestry of Charles II of Spain. There are quite a few uncle-niece marriages in his family tree. Presumably, at the time, this was permissible under Spanish or Austrian laws. When did uncle-niece marriage start to be considered incestuous in Europe?
posted by Charmian on Sep 11, 2009 - 10 answers

I'm pregnant. How do I stop my family's cycle of sexual abuse? [more inside]
posted by anonymous on Dec 13, 2008 - 55 answers

My mom's quasi-incestuous behavior towards my younger brother seriously squicks me out. Is her behavior actually quasi-inscestuous? And what should I do? [more inside]
posted by anonymous on Jan 14, 2008 - 29 answers

Why would siblings who don't know they're siblings be attracted to each other? [more inside]
posted by AmbroseChapel on Jan 12, 2008 - 28 answers

I have two children. One is a male teenager [17], and the other is an infant girl. Soon after my daughter was born I discovered that my son had been looking up porn fiction on the net. I was disturbed by the content. [more inside]
posted by anonymous on Apr 25, 2007 - 28 answers

Are we distantly related enough that this isn't incest? [more inside]
posted by anonymous on Mar 28, 2006 - 62 answers

Questions about a sexual fantasy that may be disturbing to some people. [more inside]
posted by anonymous on Feb 6, 2006 - 40 answers