Briefly, Lux actually attempts to take a mental tally. It becomes immediately obvious that it's a fruitless endeavor, however, so she settles for answering, "I don't know," which is the truth of it.

"They make these fruity drinks, I don't know what they put in them," she clarifies. "I stopped while I could still walk." That has to count for something, even if she'll still regret it come tomorrow.