Last year I did a thing that I wasn't proud of.  Wrote about it on this board, then deleted it.  Was sorry I did it, and embarrassed.  After my dad died, I took some months to reevaluate, and was even more embarrassed.  Decided to commit to really trying to be a more thoughtful person.  Wasn't always successful. 
About a month ago, Wife gets anonymous email that said something along the lines of:  "Last year, Sweet J [did this thing]. I thought you should know.  Don't reply to this."
As you can guess, that has sucked.  In a way, it wasn't horrible, because I'd kind of lived in fear about getting found out.  I ALMOST told her immediately after, but after talking to my dad for a bit, decided not to.  One of the last cogent conversations I had with him.
Anyway, just an update.  Not necessarily a "life is horrible" update.  If anything, the email has spurred a lot of good conversation with the Wife.  About the last year, the last 5 years, the last 10 years of our marriage.  What has worked and what has not.  What has made us happy, and what has not.  Why we are in this place we seem to be in.  The fact that she's been unhappy with herself for a long time, and it has manifested in being unhappy with me.  She admitted that she's pretty unhappy with me generally even before she got the email.  She's now got herself into therapy.  And the two of us are going to a therapist who specializes in working with couples who are divorcing (what a weird practice:  if the couple somehow decides to reconcile, she'll refer them to someone else).
So, we will likely split sometime in the near-to-mid future.  But we aren't really in a hurry right now.  Still talking things through.  We sat down to do a budget last week to see if we could afford it and still keep the house (I really, really don't want the kids to have to move).  It will be very tight.  I'll have to live somewhere small, but still feels like "home" to the kids.  But again, there is no rush to make it happen.  For now, I'm back to sleeping in the basement apartment.  But in all other respects, we act like a family.  Dinners together, movies, walks into town, getting kids off to school.  Strange.  We are both kind of zen about it, but the reality of splitting our crap hasn't had to happen yet.