Incest is a sin, for a very good reason. The sons and daughters of Adam and Eve had no choice but to commit this sin, however. How can God make an act a sin and give people no choice but to commit it?
Don't tell me that it was not a sin untile the time of Leviticus, because that just points to an inconsistency in God's working, and I don't know of any truths that are inconsistant.
Don't tell me that it was not a sin untile the time of Leviticus, because that just points to an inconsistency in God's working, and I don't know of any truths that are inconsistant.