She watches Gabrielle go, ascertains that enough distance has been created, and then steps securely in front of Virgil.
"No, you are not. Well, I mean- you're perfectly within your rights to drink a bunch of wine, but I am far too fond of you to let you plunge off this extremely high roof, and furthermore I am totally willing to forget I ever saw that, if you prefer. Come on, if you stick around 'til the end of the night we can smoke up on the balcony and then you can go home in a better mood."
Because she knows better than to get high when strange vampires are present; she trusts herself around Jacob in that scenario, but...just him.