For once you have the opportunity to make yourself useful to Miss Lizzy. She's had a long day and She needs a cigarette. She's hanging out in Her garden, there aren't any available ashtrays. But there is your mouth. Lizzy allows you to get close enough to inhale her second-hand smoke and take all her ashes in your ash-hole. Perhaps you'll gain some purpose in life after completing a task for a divine smoking Mistress