I've been married to my cousin for 9 years

[nordlead]

Final-Fan said:

Wait, I don't get why his [edit: dad's second wife has to be his aunt].
- They're half-siblings because her mom adopted him
- They're cousins because their moms are sisters
- They're second cousins because their grandparents are siblings

Why is the aunt-mom necessary? Or was that just nordlead's twist?

And ... do you realize that his AUNT is his MOM's SISTER in that chart?  Have you thought about the rather obvious implications of that?   

It makes for a better story

Also, I'm lazy and I didn't feel like fixing it after I realized the mistake I made