This is sensitive topic. A few thoughts:
YG's question is, I think, deeper than the regular question of what to tell our wives. Because, in dating, you are creating the background story upon which her commitment will be built. So you, Yeshiva Guy, are asking how you can create a relationship based on falsehood?
It's a piercing and painful question.
I won't condescend to think I can answer.
But I will tell you one thing I know.
You, Yeshiva Guy, won't present a false picture of who you are.
Your totality, your keen perception, core of honesty, you deep and powerful thoughts and feelings - you will share those. You'll share the strong passions that you have as a BEN Torah, and the tumultuous swirl of powerful Retzonos Hatov that are your makeup. You are not defined by this portion of your struggling.
Yes, its a part of you. Part of the ugly, part of the pain, part of the gain and the glory of the battle. I don't know how much of this part of you you need to share or how. Speak to your rebbe.
Another point:
She may not ever want to talk to you again if she knew what you thought about just before. But in part that may be because she doesnt really understand what this challenge is and what it means to us. I am not mitigating the severity of Issurim, Chas Vishalom. BUT: if she truly understood the agony and the pain, the struggle and the triumphs and the joy in growth tha you go through, if she truly understood the difficulties inherent in fighting and how you feel when you win - maybe she would. Maybe she would want to share your life proudly. I don't know.
I know that I admire you. And wish you the very best. Davening for you.
You'll move mountains.