You don't have to share. She already knows.

"I don't know how comfortable I am with that," you answer. "Right now, you've made some guesses. I haven't confirmed them. I'm not...."

"Knock it off, Marine," she snaps. "It's not my first rodeo, and I'm not a blushing virgin. I know you banged her. Let's start there." She looks at you with a stern face and when you nod she grins.

"So, now that we've got that out of the way. Let me tell you some background. Diana was a student here. She was from a wealthy family and she was all set up to marry the son of some other wealthy family. But her father turned out to be a crook, lost most of the family money and blew his brains out. Wedding off, Diana and family not destitute, but she had to go back to school. Got a teaching degree and they hired her here. We met in college," she looks at you with a smile. "Your turn."