"I get better answers from my dog" ha ha that made me laugh, Sharon, I can so relate.
Yup, okay, keeping the moral high ground, best foot forward and all that. Look, don't worry about it, you can't help being a nice man, you don't need to make the effort to keep the moral ascendancy. it's yours by nature.
what you need to worry about is the point at which she decides she wants out. It might come sooner than you think. The fact that she has been supportive of you finding a girlfriend is indicative of her wanting it to end sooner than later, I would think.