Miss Wildfire's sub has said he wants to quit smoking. To no longer be her ashtray.
She is going to help him by using some mesmerising techniques.

Taking him under, he is suggestable to her words.

Of course. The 'help' on offer is that he no longer wishes to quit smoking and now craves her smoke and cigarettes.

When this is over - she puts it to the test. The trigger is complete and how now craves and yearns to be her ashtray.
She lights up... and puts him back to use.