We understand that genetic sexual attraction exists, even though it mostly happens in adults who are meeting for the first time. Humans are fucked up, and because of that we tend to seek out sexual partners similar to ourselves or our parents (tbh, would love to see Oedipus's tinder profile). 

But like, come on guys. Just stop fucking your cousin. I bet you can find someone very similar to him who isn't blood related and won't cause your baby to be born with an enourmous hole in their skull and have a 100% chance of being poisoned at their Purple Wedding.

1. Idiots by accident.

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via jostre

2. Well, they do look happier than most couples. 

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via arqamniazi

3. Family rivalry. 

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via Lexiepocalypse

4. Incest is THE BEST!

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via pinterest

5. We hope you can't swim, either. 

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via pinterest

6. Erm...

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via greenadonis

7. This must have made the family reunions very tense. 

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via ebaumsworld

8. They're going to play a nice game of touch football. 

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via junkhost

9. We call it illegal.

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via alexbeltran43

10. Dip? Cousin fucking? MUDDING? Is THIS perfection or what?

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via Gracynvh