She pulls her panties aside, exposing her pussy to your hungry gaze, frowns a bit, but says in a teasing way:
"I suppose that means you just want to fuck, now that the experiment's over, is that it?"
Yes, you nod. You apologize for being abrupt, but you plead with her that you are extremely turned on and horny.
"You just want to fuck because you're turned on?" she asks a bit angrily. "It's not because you like me?"
No, you apologize profusely, saying that you like her very much and that she is a tremendous turn on. You praise her beauty and her perfect body. You say how much you love her kisses...