From what I heard so far, the best advice according to DB is to not bring it up. My guess is you can push her further away and you can get all emotionally worked up over it if you instigate.
At all times be the man/woman a spouse would never leave.
"Don't chase people. Be yourself, do your own thing, and work hard. The right people - the ones who really belong in your life - will come to you. And stay." ~ Will Smith
