[He pulls away a little now, just one hand barely resting on her arm. He shakes his head slightly, still frowning.]

Of course not, Belle. But how did you not see how dangerous this could be? You don't even know him... [Gold cuts himself short because... well she did go with him back when they made their deal, and Rumpelstiltskin, The Dark One, puts the very definition of 'dangerous' to shame.]

This man-- once he realizes who you are, he's going to try to kill you.