He eyes did go to the blood in the bottle. He should not have left Evie alone up stairs the night before. How could he had been so stupid. He looked Buffy then back Lucius.
"As much as I would love for you to punch him, he is a guest in our home and really fighting with him did not turn out very well for either of us, Buffy. You need to learn impulse control." He looked back at the bottle.
"And how do I know you have not poison the blood?" He asked, although he didn't need any blood for a long while and he hoped on until Lucius was out of the house.