No more MC. If you go there and talk about separation, that means you are talking money and custody. No offense, but I dont think you are your own best advocate at the moment, and your WW is obviously the worst! Even an impartial MC would probably start siding with her.
Move forward with the L already. Dont talk to her about divorce or custody or money. Let your L do the talking from now on. Its well past time to file and separate finance.
About custody, 2-2-3 or week to week are OK. The 2-2-3 requires a lot more hand-offs and contact, which is probably best to avoid. Week to week and you will miss your D more, but she wont be moving her whole life every 2 days. I think that is the biggest problem with the 2-day rotation, for kids at least. I would suggest going for the week to week, but that's not a hill to die on. 50-50 is. File for 50-50, week to week, and you can negotiate to a 2-2-3 if needed. You absolutely cant entertain negotiating down from 50-50. I would also suggest a couple of multi-week blocks over summer, so you can do longer vacations with or without your D, without needing your ex's approval. And, while you are at it - put in a 50-50 split on college expenses.
