Ern sighed at the question that was posed to him. "No," he admitted. "But I wouldn't want you to be at risk of doing so, either. It'll be on my head if you manage to mess up--especially if I knew you were working while impaired." Well that's not to mention that Ern typically took guilt and personal responsibility to new levels as a natural part of who he was.
"And just since I'm letting you stay for now doesn't mean that I won't send you home if I do believe that you're not competent to be working today--or ever for that matter," he added, in case she didn't already know.