I recently accepted an offer as an RN in a hospital, done the physical, turned in documents, etc.. and orientation starts this coming Monday. But just yesterday I found and applied a job opening at a magnet status teaching...
I have had at least six crappy short term or part time jobs (less than six months) in which I said "I'm not coming back" that I leave off my resume. Since there are no large gaps in my employment history it hasn't ever been an issue.
Then there is my old stand-by: "The Opportunity for advancement" as to the reason for leaving a job. I'd just leave it off or just mention that you considered job #1 but found the "opportunity ......."