Elaine Carroll in her web series, “Very Mary-Kate.” (verymarykate.com)

How did Carroll decide VMK would hallucinate an evil dragon? Why Mary-Kate and not Ashley? Based on her guest stint on “Mad Men,” can she report, on a scale of handsome to extremely handsome, how handsome Jon Hamm is in person.

Ask her these questions and anything else you’re dying to know during Monday’s live chat.