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When a friendship exist in two mutually contradictory states when you are simultaneously a friend or an enemy until you make a crucial decision related to that friendship.
John : Hey, are you still friends with Johnny ?

Daya : Depends on whether he hits on my crush.If he does we will be competing for the same girl and we will be enemies and if he doesn't we will remain as friends.

John : So, what are the both of you now ?

Daya : We are simultaneously friend and enemy. A state known as Schrödinger's friendship.
by zingeraddict December 03, 2011
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