Three times in the past 10 minutes I have had to re-type my question's title. Here's what happened:
I typed a title, hit Tab and got a set of questions. One looked interesting, so I clicked on it. Oops, it's not a new window so my question title is lost.
From #1, I hit back, and typed the title again. A list of similar questions comes up, and I accidentally click on one, resulting in the same outcome as #1. I was just about to click on the text box for the question when the question list popped in, and I clicked on one.
From #2, I hit back, and typed the question title again. I decided to ask about this on Meta Stack Overflow.
This is obnoxious. I think the form should recognize that I'm partway through asking a question and ask me before going to a new page. It seems like it does, but only if I've typed a question body.