Personally, I suck on my Personal Electronic Nicotine Inhalation System all day.
I have a friend who has a very large and much more powerful Personal Electronic Nicotine Inhalation System than I do, and when I told him I was intimidated by it, he said I could put my mouth on it and try it for myself. It was pretty amazing what I was able to get out of it compared to my smaller, more basic system.
I have to confess to a certain amount of envy