Percy stormed out of the mess hall, Annabeth hot on his heels. 

"Wait, Percy, I am sorry, I didn't mean to"!

Percy slammed the Poseidon cabin's door in her face.

Soon, he heard pounding on the door "Percy, can you at least come out so we can talk about this like mature adults?

Percy felt anger inside him. She just wanted to hurt him.

He opened the door "you didn't act like the mature adult when you were cheating and i caught you". Then he slammed the door in her face again.

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"Percy". Annabeth pleaded "I am sorry that I cheated... But it was only monopoly".