What is Four Day Rule?
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If the same girl wakes up in your bed for the majority of a week (x greater than or equal to 4) then you are contractually obligated to engage into a relationship with this individual. This rule does not apply when on vacation, due to the fact that there are frequently less beds and arrangements need to be made to satisfy both parties.
Dude, my roommate just satisfied the four day rule, that must mean they're dating. Sucks for him...
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Literally meaning Descendants or children of darkness, Yami No Matsuei is a shonen-ai anime and yaoi manga about angels of death, ensuri..
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A person who is lying about them self and hiding behind a screen name. They can also be called a Daisy.
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