[Yenh removes her hands from his nipples and places them squarely on his shoulders, stopping him with a rather shocking amount of solid strength for how small she is.]

Your distress is getting the better of you, even as we speak.

[And since that sounded mean in her own mind, she tries to explain.] I'm the protector of my realm—and mayhap a day will come when I rise to become this one's guardian, as well. To aid and defend is my calling, and I serve 'til death.

... that's why you musn't.