Confront her aggressively on what you've found

She steps in the door, shoulder-length, blonde hair blowing about as she sets down her groceries and smiles at you. You resist the urge to think of how pretty she is and how perfectly amazing you find her. You know inside you'll do anything for her, but still can't bare to keep silent on this.

"What the FUCK is this?" you ask, flinging printed out pages of her personal E-mails toward her pretty face.

Her smile quickly fades, getting that look of utter guilt and shame, like a girl who was just caught shoplifting for the first time. You know mixed feelings are brewing inside her as you release your anger. You know she feels bad you found out, but at the same time was discontent enough to think of straying in the first place, not to mention the violated feeling from having you rifle through her private online files.