I'm not suggesting you tell her. Just let her own that issue. You don't have to say anything other than "I'm sorry, this is hard on both of us. We both have to make sacrifices under this arrangement."
Which is exactly what I did, and that has been my consistent message.
H35 W34 S4 | T-10 yrs M-6 yrs WAW said M over 04/09 | Living separate since 09/09 Thread #1 Thread #2 Thread #3