Get off the bunny hill. Seriously. I know it's scary but my biggest falls have been on bunny hills. No slope so you catch edges easier. No slope so you fall more directly onto the ground. Fall on a black and you just keep sliding but the angle is easier on the body. Not saying go to a black. But find something with a little pitch.
Also, if your boots are not perfectly snug, when you're sliding down the bunny slope you think you've lifted your edge but with heel lift it doesn't go up as much as you think it has, and bam edge caught.