Originally Posted by MonoPoly
But I'm still not entirely convinced that she has the faith in my acceptance and understanding that is required in a Poly relationship.
Have you told her this? Specifically that you're unconvinced that she has faith in your understanding? have you told her that you've been on this forum? That might help her trust that you are accepting, and understanding.
Honestly i do believe that you are understanding, and accepting, but she could be thinking " well he understands/accepts it now, but when the time comes that i find someone else he's going to flip out." There is a big difference between understanding/accepting when she doesn't have other lovers, as opposed to when she does.
Then again i don't know her, and there's only 1 way to found out what she's thinking. (hint: it's asking her