Have you thought about going to Retrouvaille? I hear it's very good at teaching couple's to communicate better - which is useful even if you don't stay together.
Just an idea. There are some people on these boards who have had a very positive experience there and I haven't seen one BAD report, even if the M didn't ultimately succeed.
Saffie me 46 H 46 M in 1986 D20,D18,S16,D13 H's A 01/05 to 07/06 H recommitted to M 07/06 renewed vows 09/06 Going from strength to strength