Benjamin sent the blood tank he retrieved at noon down to the basement and returned to the office with a glass of bright red 'wine'.
Anthony sat slumped before the desk, his abruptly hunched shoulders were still misaligned, the shirt and coat were stained red by the lacerations on his skin, and his half bruised face turned to face the window.
Benjamin put down the glass containing Zach's blood and patted Anthony's uninjured shoulder to comfort him.
"I did nothing wrong!" Anthony suddenly looked up at Benjamin, "He is impulsive, violent..."
Benjamin pressed his finger on Anthony's lips, "Shhh-"
As mentioned before, a layer of cement cannot block the hearing of a vampire.