Sitting in a mediators office will also give you a chance to show her the new you and an impartial party will not allow 'abuse' by either of you towards the other in any form, including disrespect.
Bridge is right. I found it's also true that the same dynamic that got you there and the same tensions that exist right now are gonna fill that room. That was my experience, anyway.
Gardener
"My soul, be satisfied with flowers, With fruit, with weeds even; but gather them In the one garden you may call your own." Cyrano deBergerac