[Because she always drank moon tea the morning after - he wasn't entirely negligent in that regard. That was the method of contraception her world used, and knowing almost nothing of his own, he didn't question it. Plus, they didn't sleep together nearly as often as Thorne might imagine.]

Oh. Okay. [He's quiet for a moment.] That's more common than the moon tea, then, I take it? Because it protects from disease as well as pregnancy?