Sorry if I offended. The negative social/relationship consequences of squeamishness about sexual matters/language is one of my hobbyhorses. But possibly that leads me to go too far on occasion.
When? Well, maybe it's not DB gospel, but in the marriage counselor's office, now, with the candlestick (.... wait .......) Seriously. What do you have to lose at this point? IMHO, a marriage based on free discussion and validation of one POV only isn't much of a marriage, no matter how "busted" the divorce is.
Regarding the primrose path/blissful ignorance, see my post to Tristan yesterday re: culpability and mindreading.
Regarding, "ugh, this is boring" ...... (insert jaw dropped open in shock). Well, yah, that mighta been a clue, albeit applied with a cattle prod to the testicles (can I say testicles?) .... but sheesh. What happened after she said that??? did you two talk about it?
"Show me a completely smooth operation and I'll show you someone who's covering mistakes. Real boats rock." -- Frank Herbert