have you tried talking to a DB coach? It ain't cheap, but it is well worth the $ to have someone who listens to your sitch and gives you advice tailored to what you are going through...
Me: 50; Wife: 48 Gay; civil union in NJ no kids M: 15 years, together 17 Bomb (OW) 2/09 (EA 3mos/PA 3mos) ILYBINILWY W out of house, w/OW, in separation talks, nothing filed