I agree with labug, that how your wife is feeling and acting is definitely having a negative effect on you. I understand how that happens, as I am going through the same thing! Try not to read too much into how she is acting, and do not take it personally.
M: 8 yrs T:14 Twins:7 S:5 BD:'NLILWY': Feb/2013 Mar/Apr/May: MC June: "living in limbo" Sept 12: H moves out Oct 20: reconciling Jan-Feb 2014:MC Feb 2014: separating, and H moved out.