Dom, having been where you now are, I feel for ya, brother. Keep your head high and smile. Despite what's going on, stay positive. Yes, I know that's easier said than done.
When I was going through my divorce, I quickly tired of those who felt it necessary to tell me what I should do, or, "If I was you I'd....." I wish you the very best of luck and future successes.
May your mediation session prove to be fair and productive.
Blue skies and tailwinds!