Vlad's response was unexpected, to say the least. Hadn't he been watching? Seen Lacci's descent into caffeine fueled madness? Maybe not. Thomas sipped again, letting bitter coffee and the burn of whiskey linger on his tongue. "Just trying to figure out what's genetic and what's not," he said, answering the unspoken but obvious question. "Since your sister didn't take too well to the whole coffee-to-stay-awake thing, I figured contingency plans might be helpful."