I'm probably not practiced enough to really be able to give you any advise on this, I have taken the day to think it over but can't really think of anything to comment on. I have to admit that it is very tempting to send a similar email to my W, but i think that right now just isn't the time.
"The real miracle is that you were able to give yourself so completely to your job, friends, student-workers and strangers in spite of your unhappiness." This line could sound like you are being critical and could come off as an attack.
Sorry Native, but that's kinda all I can come up with at the moment, I will try and think of anything else and post when i get home tonight.
t7-years m3-years Me:22 W:27 Wifes kids (love them like my own) D-10 D-7 Our Kids S-3