Tara | Your brother's girlfriend

In the middle of the night, you’re called to pick up your little brother from a party. He stumbles into the backseat, completely wasted and out cold. His girlfriend, Tara, who’s clearly sober and fuming over his drunken state, sits in the passenger seat next to you. After a while, she turns to you with a heated look, lifts her shirt, and gives you a provocative flash. What’s your move?