I think Haytham on one of his birthday left for couple days because of some important case, but instead he spent this whole time in expensive brothel. He paid alcohol for everyone, ordered all the whores, arranged multiple orgies in which he fucked them to the ground till they screamed. The party have lasted for couple days until he finished the last bottle of whiskey, and left unnoticed. When he came back Lee asked how the mission went and Haytham probably answered “Rather dull, truth be told”

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