I was younger than that when mine developed. I can't quite pinpoint when it started. Whenever I think I have I remember something from even earlier that would indicate emet too, so I've just given up trying to figure it out.

4th grade was a pretty good year for me. It was the first in my childhood that I didn't v*. However, I was 10 in 4th grade, not 9. When I was 9 I did v*, but I was definetly scared of it before then.