If two twin sisters who are both 18 years old and they both want to marry eachother I think legally they should be allowed to do it because what they’re doing isn’t hurting anybody.
If a brother and a sister who are both consenting adults and they both want to marry eachother I think legally they should be allow to do it as long as the brother gets a vasectomy so that they do not have any kids together. Because what they’re doing isn’t hurting anybody.
I agree that incest is weird and gross which is why I personally would never do that but I don’t think that it’s morally wrong as long its between siblings that are both consenting adults and they do not have any kids together because what they’re doing is completely harmless and isn’t hurting anybody. So they deserve to have the right the right to marry eachother if they want to just like everyone else that isn’t related to their spouse.
The genetics defects argument isn’t even a valid argument because couples who are not related to each other can also have a child with massive birth defects.
There is a scientifically proven, significantly increased risk of a child born with severe complications when the offspring of two close relatives. These reproductive complications are less about harm to others and harm to the parents, which there is VERY likely to be trauma, it represents a rare moment where the child is the focus, even after birth.
This argument is the basis for so many of the discussions surrounding the controversy of abortions in too many States. So apart from a very real genetic predisposition to not go around and have more family with family, we as a larger society have decided that it is fundamentally wrong. This doesn’t even touch on why a Brother and Sister is having sexual relations since that is probably a whole book on its own.
Most people aren’t attracted to their family members. They may be able to recognize if their Aunt or Sister or Brother or whatever are attractive. They may even be attracted to them in some small degree. However, the move from small admiration or attraction to giving themselves a pass to follow thru on that attraction likely has its base elsewhere, which I won’t go into.
Anyway, my thumbs are tired.