At some point in your marriage, your wife, after a lot of reflection and soul searching, comes to the conclusion that she has been living in denial and that she is--and always has been--a lesbian. Her lack of physical attraction towards men (you in particular) and her physical attraction to women has caused her a great deal of conflict and sorrow, and she needs to be what she in fact is.
She still loves you, though, and, having long since become aware that you're a crossdresser, she offers you the following rather unusual chance to save an otherwise doomed marriage: if you transition (hormones, hair removal treatments, surgeries, legal name change--the whole nine yards) and live as a woman, she expects it will revive the marriage for her and she will commit to staying with you.
Pick a response above that you think you might be most likely to make.
-Celia