Given the task definition and input, reply with output. In this task, you're given a context passage. Your job is to generate relevant questions that can be answered by directly referring to the passage.

Positives ; In brief . My smoking is fast approaching extinction . I had a brief interlude while in Brisbane 4 weeks ago , and I choked down one at Kitty's shindig last weekend . Cravings are no longer there , less puffed during exercise , my lungs feel ..... big ..... and i'm feeling pretty damn good . Ninja training is going well . Floored 6 foot Ian rather smoothly during end of class demo .
Why is the writer feeling pretty damn good ?