Hey, if they love each other, why can't they get married?!! Is it any weirder than a teacher marrying a her student, or two guys getting married, or two woman, or a guy who thinks he a woman or a...you get the picture.
Teacher marring a student a sin? Not as long the student is not under age.
OTOH incest has far more ramifications because of the genetic factor.
So, it is far fetched to compare an incest to under age marriage.
I agree with you. After all, marriage is merely a social construction that can be modified according to law that reflects society's morality.
Nothing surprises me anymore.
This is sick, but after hearing about the guy dying from getting beefed by a horse a few weeks ago, this sounds like the Cleavers home.