In a extended preview of the eagerly-anticipated vampire epic The Twilight Saga: New Moon, seriesTaylor Lautner explains the onscreen love triangle between his character Jacob Black, Bella Swan (Kristen Stewart), and vampire Edward Cullen (Robert Pattinson) featured in the new film.

“I know what he did to you,” werewolf Jacob tells Bella in the new trailer. “Bella, I won’t ever hurt you, I promise.”

The Twilight Saga: New Moon opens in theaters on November 20.