Isabelle Lightwood: I know you’re obnoxious and stubborn…

Alec Lightwood: I hope you’re going somewhere with this.

Isabelle Lightwood: But you’re also loyal and honest and a big old softie when you stop worrying about what people are thinking about you. One day, somebody’s gonna love you, heart and soul. If you walk away from Jace, you might never find another parabatai. Is that really a risk you’re willing to take?