Kayden laughs at your scruples:
"It's okay, you don't have to control yourself! In fact, I'd like to see what you're really like when you aren't trying to control yourself around me!"
She makes it very tempting for you to give in, but you think about the long term rewards of wooing her and getting her to marry you. That's what you really want -- except perhaps for your cock, which is just aching to fuck her!