I've wondered that myself over the past year or two--it absolutely sucks to be discarded, especially when you have no idea why. I'm so sorry to hear this, and so sorry that your year began with someone going out of their way to cause pain.
M60 H52 D20 M14 yrs OW-old gf from 1986 bomb-5/18/08 H filed for D-9/10/08 D final 4/24/09 xH remarried (not OW) 2012