As for why your wife is being nice and interested in your day even though she's throwing away cards and stuff, this is something we see on the board relatively often--spouses who are through with the romantic relationship and marriage but still have friendly feelings toward the LBS.
In her mind, those are probably two completely separate things.
Don't try to read anything into it, and try (I know it's hard) not to dwell on it.
Me: 44 H: 44 Kids: 20, 16, 16, and 10 Together/Married: 22 years H announced he was emotionally detached and considering D: 4/4/16 H announced he is going to try to stay and reconnect: 5/1/16
