Do you think that she coached the email? As for filing, if you are prepared for it, being the first one to do it really helps.
Not necessarily. Depends on the jurisdiction, and the circumstances. In my state and situation, it made absolutely no legal difference whatsoever. I just did it because I felt like I had to finally draw a hard line -- THE HARDEST line one can draw -- for the sanctity of the marriage, and for my own emotional health. But it gave me no legal advantage.
Please start a new thread. This thread is getting a bit too long, so I'm locking it. Shorter threads improve the speed and functionality of this online community.