Sally you have asked these questions before, and they were answered for you. Perhaps you didn't like those answers. So here goes....
Come on over, the weather is great and the aircraft are shiny. There will be lashings of lemonade for everybody when the work day is over. The 2000 FOs on the seniority list, that will be in front of you, will part ways to ensure you upgrade quickly.
I do hope this helps.